Olle Wallin vs Sergey FominPrediction, Head-to-Head Results, and Stats
Olle Wallin and Sergey Fomin have met 1 time since 2026; Olle Wallin leads 1–0. Across all meetings Wallin has taken 2 sets to Fomin's 1. Their most recent meeting: Olle Wallin won at Brasov challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Wallin | Fomin | ||
|---|---|---|---|---|
| Indicator | Olle Wallin | Sergey Fomin | ||
| Wins in straight sets | 64% | 27/42 | 61% | 28/46 |
| Wins a set when losing | 32% | 10/31 | 31% | 8/26 |
| Goes to a deciding set | 34% | 25/73 | 36% | 26/72 |
| Covers −1.5 sets as favorite | 51% | 21/41 | 54% | 22/41 |
| Covers +1.5 sets as underdog | 58% | 15/26 | 56% | 14/25 |
| Tiebreak sets won | 47% | 7/15 | 52% | 11/21 |
| Wins after taking set 1 | 89% | 34/38 | 86% | 36/42 |
| Wins 2-0 after taking set 1 | 71% | 27/38 | 67% | 28/42 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 0 of 1 completed meetings ended in straight sets (Wallin 0, Fomin 0).
Style Matchup
Playing styles and historical archetype record
Wallin
💥 Big Hitter
Fomin
💥 Big Hitter
Matchup analysis
Both Olle Wallin and Sergey Fomin are 💥 Big Hitter types. Mirror matchups usually come down to execution, fitness, and surface fit, across 2,644 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Jun 29, 2026
Brasov challenger
C Clay
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Wallin | Fomin | ||
|---|---|---|---|---|
| Outcome | Olle Wallin | Sergey Fomin | ||
| 1 or more | 100% | 18/18 | 100% | 6/6 |
| 3 or more | 83% | 15/18 | 83% | 5/6 |
| 5 or more | 44% | 8/18 | 83% | 5/6 |
| 10 or more | 11% | 2/18 | 0% | 0/6 |
| 15 or more | 0% | 0/18 | 0% | 0/6 |
| 20 or more | 0% | 0/18 | 0% | 0/6 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Wallin | Fomin |
|---|---|---|
| W-L | 15–8 | 3–6 |
| Avg odds | 2.09 | 1.99 |
| ROI % | +3.7% | -52.0% |
| Units P/L | +0.85u | -4.68u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Wallin | Fomin |
|---|---|---|
| Countries | 2 | 2 |
| Events | 2 | 2 |
| Matches | 2 | 4 |
| Distance | 455 mi · 732 km | — |
| Route | POL → GER | KAZ → CHN |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Fomin has a higher win rate against shared opponents (60% vs Wallin's 40%).
| Opponent | Wallin | Fomin |
|---|---|---|
| Dragos Nicolae Cazacu | W 67 75 62 | W 62 63 |
| Max Hans Rehberg | L 46 63 46 | L 26 06 |
| Guilherme Valdoleiros | W 61 64 | W 62 61 |
| Moerani Bouzige | L 76 67 36 | W 16 76 64 |
| Sergio Callejon Hernando | L 26 26 | L 67 16 |
Recent Form
Last five matches per player
Carlos Taberner
Hamburg Challenger · 1st Round
Aug 11
Andrea Guerrieri
Grodzisk Mazowiecki Challenger · 1st Round
Aug 4
Jan Choinski
Bonn Challenger · Quarterfinals
Jul 31
Roberto Carballes Baena
Bonn Challenger · 2nd Round
Jul 29
Lorenzo Giustino
Bonn Challenger · 1st Round
Jul 28
Valentin Royer
Iasi Challenger · 2nd Round
Jul 9
Samir Hamza Reguig
Iasi Challenger · 1st Round
Jul 7
Maximilian Neuchrist
Iasi challenger
Jul 6
Xirui Han
M15 Maanshan · 1st Round
Aug 26
Aziz Dougaz
Astana Challenger · Semifinals
Aug 15
Masamichi Imamura
Astana Challenger · Quarterfinals
Aug 14
Kasidit Samrej
Astana Challenger · 2nd Round
Aug 13
Yanki Erel
Segovia Challenger · 1st Round
Jul 21
Manas Dhamne
Liege Challenger · 1st Round
Jul 6
Olle Wallin
Brasov challenger
Jun 29
Alexandru Jecan
Brasov challenger
Jun 28
Win rate
Matches, sets and games won · Last 12 months · 72–73 matches
| Metric | Wallin | Fomin |
|---|---|---|
| Matches won | 58% | 64% |
| Sets won | 55% | 59% |
| Games won | 52% | 53% |
Record by tier
Head-to-head record by tournament tier
| Stage | Wallin | Fomin |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Wallin | Fomin |
|---|---|---|
| Clay | 1 | 0 |
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