Borussia Dortmund 3-1 FSV Mainz 05 – Result & Analysis
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Poisson rates Borussia Dortmund at 53% — 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 - 8 as Borussia Dortmund welcome FSV Mainz 05 to Signal-Iduna-Park. Kick-off is set for Saturday 16 October 2021 at 14:30 UTC.
Form Guide
Borussia Dortmund — All Games: 8W 0D 2L from 10 Bundesliga outings this season, averaging 2.40 points per game. Last five: W W W L W. They are averaging 2.80 goals per game — a high-scoring output that makes them a genuine attacking threat in any fixture. Both teams have scored in 90% of their matches — an extremely high rate that makes BTTS Yes a well-supported standalone angle from their form alone. Borussia Dortmund have played only a handful of Bundesliga games so far this season, so this record also draws on matches from last season.
Borussia Dortmund's home record at Signal-Iduna-Park: 9W 0D 1L from 10 Bundesliga appearances (2.70 PPG). They are averaging 2.90 goals per home game — a prolific scoring rate in front of their own fans. Both teams have scored in 80% of their home games — an outstanding BTTS rate that is a key data point for this fixture.
Looking at all fixtures this season, FSV Mainz 05 stand at 4W 2D 4L from 10 Bundesliga matches — 1.40 PPG. Last five: W W D L L. Their scoring rate of 1.20 per game is modest, conceding 1.10 — not a side to back heavily on the Over 2.5 from their form alone. 4 clean sheets in 10 outings (40%) underlines their defensive solidity. FSV Mainz 05 have played only a handful of Bundesliga games so far this season, so this record also draws on matches from last season.
FSV Mainz 05 away from home this season: 6W 2D 2L from 10 away games — 2.00 PPG on the road. Away from home they average 1.40 goals scored and 1.00 conceded per game. Their away PPG of 2.00 exceeds their overall 1.40 — they actually perform better on the road than their aggregate form implies.
Borussia Dortmund carry the stronger recent momentum — 1.00 PPG ahead of their opponents on 2.40 vs 1.40. 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 (41 games, 20 at home): they score before half-time in 70% 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 91% of those occasions; BTTS occurs in 70% of their matches (home games); Over 2.5 goals lands in 80% of games (home games); Over 3.5 in 49%.
FSV Mainz 05 in-play tendencies (41 games, 20 at away): they score before half-time in 75% of fixtures in away games; when goalless at HT, a second-half goal follows 73% of the time; BTTS occurs in 60% of their matches (away games); Over 2.5 goals lands in 55% of games (away games); they fail to score in 32% of games.
From a combined perspective, both sides have high BTTS rates — Borussia Dortmund 68% and FSV Mainz 05 54% — which reinforces the BTTS Yes angle from in-play data. The over/under 2.5 picture is inconclusive from the in-play data (Borussia Dortmund 76% | FSV Mainz 05 46%).
Poisson Model
The Poisson distribution model projects Borussia Dortmund 2.02 xG and FSV Mainz 05 1.25 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 1.490 / defence 1.126 | FSV Mainz 05 attack 0.897 / defence 0.780. League average goals — home 1.736 / away 1.234. Borussia Dortmund carry an above-average attack strength of 1.490 — their λ of 2.02 reflects genuine attacking quality above the league norm. FSV Mainz 05's defence strength of 0.780 is below average — they are conceding at a rate that inflates the home xG figure. Data: 41 Borussia Dortmund games / 41 FSV Mainz 05 games used (CurrentSeason).
Result probabilities: Borussia Dortmund 53% | Draw 26% | FSV Mainz 05 21%. Fair-value odds: Borussia Dortmund 1.89 | Draw 3.85 | FSV Mainz 05 4.76. Borussia Dortmund hold a narrow Poisson edge at 53% — the draw (26%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 63% | BTTS probability 64% | Total xG 3.26. Over 2.5 holds a meaningful probability edge at 63% — the 3.26 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS Yes at 64% reflects that both xG figures (2.02 / 1.25) 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 53% — moderate model lean. Current-season form corroborates the Poisson lean — partial multi-source support. With a 26% draw probability, Draw No Bet on Borussia Dortmund offers a more defensible entry point than the straight win.
On the goals line, Poisson's 3.26 combined xG gives a 63% probability to Over 2.5 — reasonable, supported by form averaging 3.3 goals per game.
Poisson assigns a 64% probability to BTTS Yes based on the attack/defence strength model. Form rates corroborate: Borussia Dortmund 80% | FSV Mainz 05 50% BTTS from recent games.
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💡 Key Insights
🏟️ Match Context
• Fixture: Borussia Dortmund vs FSV Mainz 05 | Competition: Bundesliga, Regular Season - 8 | Venue: Signal-Iduna-Park • Kick-off: Saturday 16 Oct 2021, 14:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Borussia Dortmund 53% | Draw 26% | FSV Mainz 05 21% • Poisson goal markets: Over 2.5 63% | BTTS 64% | xG Borussia Dortmund 2.02 / FSV Mainz 05 1.25 • Poisson strength factors: Borussia Dortmund attack 1.490 / def 1.126 | FSV Mainz 05 attack 0.897 / def 0.780 | league avg home 1.736 / away 1.234 • Poisson stance: Borussia Dortmund (53%) — moderate lean
🧮 Prediction Model
2.02
Borussia Dortmund xG
Expected Goals
1.25
FSV Mainz 05 xG
64%
BTTS
86%
Over 1.5
63%
Over 2.5
41%
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 October 2021 at Signal-Iduna-Park.
What was the final score in Borussia Dortmund vs FSV Mainz 05?
Borussia Dortmund 3 - 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 - 8 fixture in the Bundesliga (Germany).
Who is favourite to win Borussia Dortmund vs FSV Mainz 05?
Our statistical model gives Borussia Dortmund a 53% chance of winning, FSV Mainz 05 a 21% chance, and a 26% chance of a draw — making Borussia Dortmund the favourite.
Will both teams score in Borussia Dortmund vs FSV Mainz 05?
Our model estimates a 64% 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 63%.
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): 8W-0D-2L in 10 | 2.40 PPG | GF 2.80 / GA 1.70 | L5 W-W-W-L-W. FSV Mainz 05 (all comps): 4W-2D-4L in 10 | 1.40 PPG | GF 1.20 / GA 1.10 | L5 W-W-D-L-L.
🧮 Model Insight
How the Model Works This Match
Borussia Dortmund's attacking strength (1.49x league average) is weighed against FSV Mainz 05's defensive record (0.78x) to produce a home expected-goals figure of 2.02. The same calculation in reverse, FSV Mainz 05's attack versus Borussia Dortmund's defence, projects 1.25 expected goals for the visitors.
These ratings are built from 41/41 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 10.9%. Close behind: 2-1 (9.7%), 2-0 (7.8%). Together the top three scorelines make up 28% of the probability — a moderately spread distribution, typical of a competitive match-up.
Most Likely Outcome
Borussia Dortmund Win
53%
1.90
26%
3.79
21%
4.79
Top 3 Most Likely Scorelines
2 – 1
9.7%
Home win
Most likely
1 – 1
9.6%
Draw
2 – 0
7.8%
Home win
Expected Goals & Win Odds
2.02
Borussia Dortmund xG
Total xG
3.26
1.25
FSV Mainz 05 xG
1.90
53%
Home win
3.79
26%
Draw
4.79
21%
Away win
Goals Markets
84%
Over 1.5
1.19
16%
Under 1.5
6.25
63%
Over 2.5
1.59
37%
Under 2.5
2.70
41%
Over 3.5
2.44
59%
Under 3.5
1.69
23%
Over 4.5
4.35
77%
Under 4.5
1.30
Match Markets
Both Teams to Score
64%
BTTS Yes
1.56
36%
BTTS No
2.79
Clean Sheet
29%
3.48
13%
7.52
Win to Nil
15%
6.60
3%
36.03
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 3.8 | 4.8 | 3.0 | 1.2 | 0.4 | 0.1 |
| 1 | 7.7 | 9.6 | 6.0 | 2.5 | 0.8 | 0.2 |
| 2 | 7.8 | 9.7 | 6.0 | 2.5 | 0.8 | 0.2 |
| 3 | 5.2 | 6.5 | 4.1 | 1.7 | 0.5 | 0.1 |
| 4 | 2.6 | 3.3 | 2.1 | 0.9 | 0.3 | 0.1 |
| 5 | 1.1 | 1.3 | 0.8 | 0.3 | 0.1 | – |
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 10.9%.
How many goals are Borussia Dortmund and FSV Mainz 05 expected to score?
The model projects 2.02 expected goals for Borussia Dortmund and 1.25 for FSV Mainz 05, a combined total of 3.26.
How confident is the prediction model for Borussia Dortmund vs FSV Mainz 05?
Not very — the model's leading outcome sits at just 53%, 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 41 games, going 25W 4D 12L for 1.93 points per game. Their last five reads W-W-W-L-W. It's still early in the season for Borussia Dortmund, so this record blends in a handful of games from last season too.
On the other side, FSV Mainz 05 sit at 1.20 PPG from 41 outings (13W 10D 18L), a run that reads W-W-D-L-L across their last five. It's still early in the season for FSV Mainz 05, so this record blends in a handful of games from last season too.
Borussia Dortmund carry the stronger recent form of the two, 0.73 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 14W 2D 4L across 20 games on their own ground, a 2.20 PPG return.
Away from home, FSV Mainz 05 have taken 1.30 points per game from 20 outings (7W 5D 8L).
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 2.29 goals scored and 1.44 conceded per game recently; FSV Mainz 05 are on 1.12 scored and 1.49 conceded.
On BTTS specifically: Borussia Dortmund have seen both teams score in 68% of their recent games.
Last 41 Results — Bundesliga
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Borussia Dortmund
Early Season
FSV Mainz 05
Early Season
❓ Frequently Asked Questions
What form are Borussia Dortmund and FSV Mainz 05 in coming into this match?
Borussia Dortmund have gone 25W 4D 12L in their last 41 games (1.93 PPG), while FSV Mainz 05 have gone 13W 10D 18L in their last 41 (1.20 PPG).
Which team has the better venue record — Borussia Dortmund at home or FSV Mainz 05 away?
Borussia Dortmund's home record (2.20 PPG) is the stronger of the two venue-specific splits — Borussia Dortmund at home: 2.20 PPG; FSV Mainz 05 away: 1.30 PPG.
⚔️ 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 70% of their matches. They've gone in front at half-time 35% of the time.
FSV Mainz 05 are typically involved in an early goal — the half-time board shows at least one in 75% of their matches. They've gone in front at half-time 35% of the time.
Full-Time Trends
Both teams scoring has been the norm for this pairing lately — Borussia Dortmund at 70%, FSV Mainz 05 at 60%. That combined rate makes BTTS Yes a well-supported trading angle.
Goals have flowed in these teams' recent matches — Over 2.5 has landed at 80% for Borussia Dortmund and 55% for FSV Mainz 05. Stepping up a level, Over 3.5 has also landed reasonably often — 55% and 40% respectively — worth a look for goal-hungry markets.
On the defensive side: FSV Mainz 05 in 30%.
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 70% of Borussia Dortmund's games and 60% 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 80% of Borussia Dortmund's matches and 55% 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 70% of their recent matches, FSV Mainz 05 in 75% — a useful reference point for first-half goal markets.
Borussia Dortmund cruise to a comfortable 3-1 victory over FSV Mainz 05.
📝 Match Report
How It Unfolded
Borussia Dortmund beat FSV Mainz 05 3-1 at Signal-Iduna-Park, Regular Season - 8, in the Bundesliga. That is the final score; the rest of this report grades it against what the data forecast beforehand.
The Model vs The Result
The Poisson model went into this projecting Borussia Dortmund 2.02 xG and FSV Mainz 05 1.25 xG, a combined 3.26. The scoreboard read 3-1 for 4 actual goals. Borussia Dortmund beat their projection by 1.0 — clinical relative to the chances the model priced in. Those figures were built on strength ratings of Borussia Dortmund attack 1.49 / defence 1.13 against FSV Mainz 05 attack 0.90 / defence 0.78, drawn from 41/41 games (CurrentSeason).
On the result, the model split it Borussia Dortmund 53% | Draw 26% | FSV Mainz 05 21%, with Borussia Dortmund to win its most likely call at 53%. The scoreboard confirmed the model's leading pick.
Goals & Markets
The model rated Over 2.5 goals at 63%. The game delivered 4, so it went over — the model's lean was correct. Over 1.5 had been 86% and landed. Over 3.5 was 41% and came in. On both teams to score, the model sat at 64% and the match saw both sides score — another call in the model's favour. Historically the two sides average 61% Over 2.5 across their same-competition games (Borussia Dortmund 76%, FSV Mainz 05 46%), a base rate that agreed with today's over. Their combined BTTS history runs at 61%, which matched the both-scored outcome.
Trading Patterns vs Reality
Borussia Dortmund's trading profile (41 games, 20 home) set some clear expectations: BTTS lands in 68% of their matches — today it did.
FSV Mainz 05's trading profile (41 games, 20 away) set some clear expectations: BTTS lands in 54% of their matches — today it did.
Form vs Result
On form, Borussia Dortmund arrived the stronger side — 1.93 PPG against 1.20. The form guide was vindicated by the result. FSV Mainz 05 (home/away splits) shipped 3 against a 1.65 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 4 of 4 pre-match signals came in: result (hit), Over 2.5 (hit), BTTS (hit), form (hit). The data earned its keep here, calling the bulk of the fixture correctly.
💡 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.