Borussia Dortmund 1-1 FSV Mainz 05 – Result & Analysis
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Poisson rates Borussia Dortmund at 51% — current form provides partial corroboration, though signals are mixed in this Borussia Dortmund vs FSV Mainz 05 encounter.
✍️ Match Preview
Fixture Analysis
It is a Bundesliga clash, Regular Season - 16 as Borussia Dortmund welcome FSV Mainz 05 to Signal-Iduna-Park. Kick-off is set for Saturday 16 January 2021 at 14:30 UTC.
Form Guide
Borussia Dortmund — All Games: 5W 1D 4L from 10 Bundesliga outings this season, averaging 1.60 points per game. Last five: L W L W W. They are averaging 2.00 goals per game — a high-scoring output that makes them a genuine attacking threat in any fixture. 2 clean sheets from 10 outings provides some defensive foundation. Both teams have scored in 80% of their matches — an extremely high rate that makes BTTS Yes a well-supported standalone angle from their form alone. This season is still relatively young for Borussia Dortmund, so this record blends games from this season and last.
Borussia Dortmund's home record at Signal-Iduna-Park: 4W 0D 3L from 7 Bundesliga appearances (1.71 PPG). They are averaging 2.29 goals per home game — a prolific scoring rate in front of their own fans. 4 clean sheets from 7 home games (57%) — they are an exceptionally hard side to score against at Signal-Iduna-Park.
Looking at all fixtures this season, FSV Mainz 05 stand at 1W 3D 6L from 10 Bundesliga matches — 0.60 PPG. Last five: L D L L L. Their scoring rate of 1.00 per game is modest, conceding 1.80 — not a side to back heavily on the Over 2.5 from their form alone. 1 clean sheet from 10 outings suggests some defensive organisation. Both teams have scored in 60% of their games — a noteworthy BTTS rate that supports the Yes market. This season is still relatively young for FSV Mainz 05, so this record blends games from this season and last.
FSV Mainz 05 away from home this season: 1W 1D 5L from 7 away games — 0.57 PPG on the road. Away from home they average 1.14 goals scored and 2.57 conceded per game. Both teams have scored in 71% of their away matches — a high BTTS rate on the road that directly informs this fixture.
Borussia Dortmund carry the stronger recent momentum — 1.00 PPG ahead of their opponents on 1.60 vs 0.60. The form data is a point in their favour, and where the price allows, it is the cleaner directional bet.
In-Play Profile
Borussia Dortmund in-play tendencies (15 games, 7 at home): they score before half-time in 71% of fixtures in home games; when goalless at HT, a second-half goal follows 100% of the time; two or more arrive in the second half on 83% of those occasions; BTTS occurs in 43% of their matches (home games); Over 2.5 goals lands in 86% of games (home games); they keep a clean sheet 40% of the time.
FSV Mainz 05 in-play tendencies (15 games, 7 at away): they score before half-time in 86% of fixtures in away games; when goalless at HT, a second-half goal follows 67% of the time; when winning at HT they fail to see it out 27% of the time; BTTS occurs in 71% of their matches (away games); Over 2.5 goals lands in 86% of games (away games); Over 3.5 in 53%; they fail to score in 40% of games.
BTTS rates are mixed from the trading data — Borussia Dortmund 53% versus FSV Mainz 05 60%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Borussia Dortmund 67% | FSV Mainz 05 60%).
Poisson Model
The Poisson distribution model projects Borussia Dortmund 2.05 xG and FSV Mainz 05 1.40 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: Borussia Dortmund attack 1.129 / defence 1.189 | FSV Mainz 05 attack 0.777 / defence 1.484. League average goals — home 1.224 / away 1.515. FSV Mainz 05 bring a strong defensive rating of 1.484 — this is suppressing Borussia Dortmund's projected output below what their attack strength alone would suggest. Data: 15 Borussia Dortmund games / 15 FSV Mainz 05 games used (CurrentSeason).
Result probabilities: Borussia Dortmund 51% | Draw 24% | FSV Mainz 05 25%. Fair-value odds: Borussia Dortmund 1.96 | Draw 4.17 | FSV Mainz 05 4.00. Borussia Dortmund hold a narrow Poisson edge at 51% — the draw (24%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 67% | BTTS probability 67% | Total xG 3.45. Over 2.5 is the model's clear signal at 67% — a total xG of 3.45 means the expected score alone exceeds the 2.5 threshold, making the Over not just likely but structurally supported by both sides' attack/defence profiles. BTTS Yes at 67% reflects that both xG figures (2.05 / 1.40) are above the threshold where scoring blanks become the primary outcome — both sides are projected to find the net.
Summary & Verdict
The Poisson model's primary lean is Borussia Dortmund at 51% — moderate model lean. Current-season form corroborates the Poisson lean — partial multi-source support. With a 24% draw probability, Draw No Bet on Borussia Dortmund offers a more defensible entry point than the straight win.
On the goals line, Poisson's 3.45 combined xG gives a 67% probability to Over 2.5 — reasonable, supported by form averaging 3.7 goals per game.
Poisson assigns a 67% probability to BTTS Yes based on the attack/defence strength model. Form rates corroborate: Borussia Dortmund 43% | FSV Mainz 05 71% BTTS from recent games.
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💡 Key Insights
🏟️ Match Context
• Fixture: Borussia Dortmund vs FSV Mainz 05 | Competition: Bundesliga, Regular Season - 16 | Venue: Signal-Iduna-Park • Kick-off: Saturday 16 Jan 2021, 14:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Borussia Dortmund 51% | Draw 24% | FSV Mainz 05 25% • Poisson goal markets: Over 2.5 67% | BTTS 67% | xG Borussia Dortmund 2.05 / FSV Mainz 05 1.40 • Poisson strength factors: Borussia Dortmund attack 1.129 / def 1.189 | FSV Mainz 05 attack 0.777 / def 1.484 | league avg home 1.224 / away 1.515 • Poisson stance: Borussia Dortmund (51%) — moderate lean
🧮 Prediction Model
2.05
Borussia Dortmund xG
Expected Goals
1.40
FSV Mainz 05 xG
67%
BTTS
87%
Over 1.5
67%
Over 2.5
45%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does Borussia Dortmund vs FSV Mainz 05 kick off?
Borussia Dortmund vs FSV Mainz 05 kicked off at 14:30 on Saturday 16 January 2021 at Signal-Iduna-Park.
What was the final score in Borussia Dortmund vs FSV Mainz 05?
Borussia Dortmund 1 - 1 FSV Mainz 05.
Where is Borussia Dortmund vs FSV Mainz 05 being played?
The match is being played at Signal-Iduna-Park.
What competition is Borussia Dortmund vs FSV Mainz 05 part of?
Borussia Dortmund vs FSV Mainz 05 is a Regular Season - 16 fixture in the Bundesliga (Germany).
Who is favourite to win Borussia Dortmund vs FSV Mainz 05?
Our statistical model gives Borussia Dortmund a 51% chance of winning, FSV Mainz 05 a 25% chance, and a 24% chance of a draw — making Borussia Dortmund the favourite.
Will both teams score in Borussia Dortmund vs FSV Mainz 05?
Our model estimates a 67% probability that both Borussia Dortmund and FSV Mainz 05 will score (BTTS).
Will Borussia Dortmund vs FSV Mainz 05 have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 67%.
What is the head-to-head record between Borussia Dortmund and FSV Mainz 05?
No recorded head-to-head meetings available in the dataset.
What form are Borussia Dortmund and FSV Mainz 05 in?
Borussia Dortmund (all comps): 5W-1D-4L in 10 | 1.60 PPG | GF 2.00 / GA 1.70 | L5 L-W-L-W-W. FSV Mainz 05 (all comps): 1W-3D-6L in 10 | 0.60 PPG | GF 1.00 / GA 1.80 | L5 L-D-L-L-L.
🧮 Model Insight
How the Model Works This Match
Borussia Dortmund's attacking strength (1.13x league average) is weighed against FSV Mainz 05's defensive record (1.48x) to produce a home expected-goals figure of 2.05. The same calculation in reverse, FSV Mainz 05's attack versus Borussia Dortmund's defence, projects 1.40 expected goals for the visitors.
These ratings are built from 15/15 games of current-season data — a full enough sample to trust.
Most Likely Scorelines
The model's single most probable exact score is 1-1, at 10.3%. Close behind: 2-1 (9.3%), 2-0 (6.7%). Together the top three scorelines make up 26% of the probability — a moderately spread distribution, typical of a competitive match-up.
Most Likely Outcome
Borussia Dortmund Win
51%
1.95
24%
4.16
25%
4.04
Top 3 Most Likely Scorelines
2 – 1
9.3%
Home win
Most likely
1 – 1
9.1%
Draw
2 – 0
6.7%
Home win
Expected Goals & Win Odds
2.05
Borussia Dortmund xG
Total xG
3.45
1.40
FSV Mainz 05 xG
1.95
51%
Home win
4.16
24%
Draw
4.04
25%
Away win
Goals Markets
86%
Over 1.5
1.16
14%
Under 1.5
7.14
67%
Over 2.5
1.49
33%
Under 2.5
3.03
45%
Over 3.5
2.22
55%
Under 3.5
1.82
27%
Over 4.5
3.70
73%
Under 4.5
1.37
Match Markets
Both Teams to Score
67%
BTTS Yes
1.49
33%
BTTS No
3.03
Clean Sheet
25%
4.06
13%
7.78
Win to Nil
13%
7.92
3%
31.44
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 3.2 | 4.4 | 3.1 | 1.5 | 0.5 | 0.1 |
| 1 | 6.5 | 9.1 | 6.4 | 3.0 | 1.0 | 0.3 |
| 2 | 6.7 | 9.3 | 6.5 | 3.1 | 1.1 | 0.3 |
| 3 | 4.6 | 6.4 | 4.5 | 2.1 | 0.7 | 0.2 |
| 4 | 2.3 | 3.3 | 2.3 | 1.1 | 0.4 | 0.1 |
| 5 | 1.0 | 1.3 | 0.9 | 0.4 | 0.2 | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for Borussia Dortmund vs FSV Mainz 05?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 10.3%.
How many goals are Borussia Dortmund and FSV Mainz 05 expected to score?
The model projects 2.05 expected goals for Borussia Dortmund and 1.40 for FSV Mainz 05, a combined total of 3.45.
How confident is the prediction model for Borussia Dortmund vs FSV Mainz 05?
Not very — the model's leading outcome sits at just 51%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Borussia Dortmund come into this having played 15 games, going 9W 1D 5L for 1.87 points per game. Their last five reads L-W-L-W-W. The sample for Borussia Dortmund is still a mix of this season and last, given how young the current campaign is.
On the other side, FSV Mainz 05 sit at 0.40 PPG from 15 outings (1W 3D 11L), a run that reads L-D-L-L-L across their last five. The sample for FSV Mainz 05 is still a mix of this season and last, given how young the current campaign is.
Borussia Dortmund carry the stronger recent form of the two, 1.47 PPG clear of FSV Mainz 05 — worth weighing alongside whatever the head-to-head and market data say.
Venue Form
Borussia Dortmund's home form reads 4W 0D 3L across 7 games on their own ground, a 1.71 PPG return.
Away from home, FSV Mainz 05 have taken 0.57 points per game from 7 outings (1W 1D 5L).
Comparing the two in their relevant venue splits, Borussia Dortmund come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Goals in Recent Form
Borussia Dortmund are averaging 2.07 goals scored and 1.27 conceded per game recently; FSV Mainz 05 are on 0.93 scored and 2.20 conceded.
On BTTS specifically: FSV Mainz 05 in 60%.
Defensively: Borussia Dortmund have kept a clean sheet in 40% of their games — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 15 Results — Bundesliga
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Borussia Dortmund
Blended
FSV Mainz 05
Blended
❓ Frequently Asked Questions
What form are Borussia Dortmund and FSV Mainz 05 in coming into this match?
Borussia Dortmund have gone 9W 1D 5L in their last 15 games (1.87 PPG), while FSV Mainz 05 have gone 1W 3D 11L in their last 15 (0.40 PPG).
Which team has the better venue record — Borussia Dortmund at home or FSV Mainz 05 away?
Borussia Dortmund's home record (1.71 PPG) is the stronger of the two venue-specific splits — Borussia Dortmund at home: 1.71 PPG; FSV Mainz 05 away: 0.57 PPG.
Have Borussia Dortmund or FSV Mainz 05 been keeping clean sheets recently?
Borussia Dortmund have kept a clean sheet in 40% of their recent games, FSV Mainz 05 in 7%.
⚔️ Rivalry Insight
Fixture History
10 meetings separate these sides on the data we hold, the series stretching back to October 2021. Every recorded meeting has come in Bundesliga. They last met on 13 February 2026, roughly 5 months ago.
Streaks & Records
There's a clear current trend here: Borussia Dortmund have taken the last 3 head-to-head results.
The biggest gap between the sides came on 13 Feb 2026, when Borussia Dortmund won 4-0 — the largest margin of victory on record between these two.
Borussia Dortmund's record when hosting FSV Mainz 05 specifically: 3W 2D 0L from 5 games — a narrower, venue-specific slice of the head-to-head picture.
Last 10 Meetings
6
Borussia Dortmund
2
Draws
2
FSV Mainz 05
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Borussia Dortmund and FSV Mainz 05?
From 10 meetings on record, Borussia Dortmund have won 6, FSV Mainz 05 have won 2, and 2 have been drawn.
When did Borussia Dortmund and FSV Mainz 05 last play each other?
They last met on 13 February 2026, when Borussia Dortmund 4-0 FSV Mainz 05.
Who has won more matches between Borussia Dortmund and FSV Mainz 05?
Borussia Dortmund have the better head-to-head record, with 6 wins from 10 meetings.
📈 Trading Insight
First-Half Patterns
Borussia Dortmund are typically involved in an early goal — the half-time board shows at least one in 71% of their matches. They've gone in front at half-time 29% of the time.
FSV Mainz 05 are typically involved in an early goal — the half-time board shows at least one in 86% of their matches. They've gone in front at half-time 29% of the time.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Borussia Dortmund 43%, FSV Mainz 05 71% — no strong lean either way from the trading data alone.
Goals have flowed in these teams' recent matches — Over 2.5 has landed at 86% for Borussia Dortmund and 86% for FSV Mainz 05. Stepping up a level, Over 3.5 has also landed reasonably often — 43% and 71% respectively — worth a look for goal-hungry markets.
On the defensive side: Borussia Dortmund keep a clean sheet in 57% of their matches; FSV Mainz 05 in 29%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Borussia Dortmund home games / FSV Mainz 05 away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Borussia Dortmund play FSV Mainz 05?
Yes — based on recent matches, both teams have scored in 43% of Borussia Dortmund's games and 71% of FSV Mainz 05's, a combined rate that favours BTTS Yes.
Is Borussia Dortmund vs FSV Mainz 05 usually a high-scoring fixture?
Recent trends suggest it could be — Over 2.5 goals has landed in 86% of Borussia Dortmund's matches and 86% of FSV Mainz 05's.
Do Borussia Dortmund and FSV Mainz 05 tend to score early?
Borussia Dortmund have had a goal before half-time in 71% of their recent matches, FSV Mainz 05 in 86% — a useful reference point for first-half goal markets.
Borussia Dortmund and FSV Mainz 05 share the spoils in a 1-1 draw.
📝 Match Report
How It Unfolded
Borussia Dortmund and FSV Mainz 05 finished level at 1-1 at Signal-Iduna-Park, Regular Season - 16, in the Bundesliga. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting Borussia Dortmund 2.05 xG and FSV Mainz 05 1.40 xG, a combined 3.45. The scoreboard read 1-1 for 2 actual goals. Borussia Dortmund fell 1.1 short of their projected output. Those figures were built on strength ratings of Borussia Dortmund attack 1.13 / defence 1.19 against FSV Mainz 05 attack 0.78 / defence 1.48, drawn from 15/15 games (CurrentSeason).
On the result, the model split it Borussia Dortmund 51% | Draw 24% | FSV Mainz 05 25%, with Borussia Dortmund to win its most likely call at 51%. Instead the game produced a draw, an outcome the model had rated at just 24% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 67%. The game delivered 2, so it stayed under — against the model's lean. Over 1.5 had been 87% and landed. Over 3.5 was 45% and did not. On both teams to score, the model sat at 67% and the match saw both sides score — another call in the model's favour. Historically the two sides average 63% Over 2.5 across their same-competition games (Borussia Dortmund 67%, FSV Mainz 05 60%), a base rate that pointed the other way from today's under. Their combined BTTS history runs at 57%, which matched the both-scored outcome.
Trading Patterns vs Reality
Borussia Dortmund's trading profile (15 games, 7 home) set some clear expectations: BTTS lands in 53% of their matches — today it did; they keep a clean sheet 40% of the time, and conceded here.
FSV Mainz 05's trading profile (15 games, 7 away) set some clear expectations: BTTS lands in 60% of their matches — today it did.
Form vs Result
On form, Borussia Dortmund arrived the stronger side — 1.87 PPG against 0.40. The form guide was only half-right: the stronger side did not lose, but could not convert the edge into a win. Borussia Dortmund (home/away splits) managed 1 against a 2.29 scoring average — below par going forward. FSV Mainz 05 (home/away splits) conceded 1 against a 2.57 average — tighter than their form line.
Verdict
Grading the result against the stored data, 1 of 4 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (hit), form (miss). This one broke away from the data — most of the pre-match signals were overturned by how the ninety minutes actually played out.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.