Jan Kumstat vs Zdenek KolarPrediction, Head-to-Head Results, and Stats
Jan Kumstat and Zdenek Kolar have met 1 time since 2026; Jan Kumstat leads 1–0. Across all meetings Kumstat has taken 2 sets to Kolar's 1. Their most recent meeting: Jan Kumstat won at Liberec Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kumstat | Kolar | ||
|---|---|---|---|---|
| Indicator | Jan Kumstat | Zdenek Kolar | ||
| Wins in straight sets | 74% | 31/42 | 77% | 30/39 |
| Wins a set when losing | 39% | 7/18 | 40% | 14/35 |
| Goes to a deciding set | 30% | 18/60 | 31% | 23/74 |
| Covers −1.5 sets as favorite | 65% | 24/37 | 48% | 24/50 |
| Covers +1.5 sets as underdog | 67% | 12/18 | 52% | 12/23 |
| Tiebreak sets won | 52% | 11/21 | 39% | 9/23 |
| Wins after taking set 1 | 88% | 35/40 | 79% | 34/43 |
| Wins 2-0 after taking set 1 | 78% | 31/40 | 70% | 30/43 |
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 (Kumstat 0, Kolar 0).
Style Matchup
Playing styles and historical archetype record
Kumstat
👑 The Complete Package
Kolar
🪃 Counterpuncher
Matchup analysis
The 👑 The Complete Package archetype wins about 56% vs 🪃 Counterpuncher across 458 matches in our dataset: a stylistic lean toward Jan Kumstat.
The Complete Package players often use elite serve & return and high bp conversion to pressure the counterpuncher's elite bp conversion.
Previous meetings
1 career meeting, newest first
Jul 27, 2026
Liberec Challenger
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Kumstat | Kolar | ||
|---|---|---|---|---|
| Outcome | Jan Kumstat | Zdenek Kolar | ||
| 1 or more | 100% | 28/28 | 89% | 8/9 |
| 3 or more | 96% | 27/28 | 44% | 4/9 |
| 5 or more | 86% | 24/28 | 11% | 1/9 |
| 10 or more | 39% | 11/28 | 0% | 0/9 |
| 15 or more | 7% | 2/28 | 0% | 0/9 |
| 20 or more | 4% | 1/28 | 0% | 0/9 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kumstat | Kolar |
|---|---|---|
| W-L | 22–7 | 3–7 |
| Avg odds | 1.68 | 2.12 |
| ROI % | +25.4% | -63.4% |
| Units P/L | +7.36u | -6.34u |
Travel
Last 30 days
| Metric | Kumstat | Kolar |
|---|---|---|
| Countries | 2 | 1 |
| Events | 3 | 1 |
| Matches | 11 | 1 |
| Distance | 593 mi · 954 km | 0 mi · 0 km |
| Route | CZE → GER → CZE | GER |
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
Kumstat has a higher win rate against shared opponents (71% vs Kolar's 43%).
| Opponent | Kumstat | Kolar |
|---|---|---|
| Filip Cristian Jianu | W 61 64 | W 63 26 63 |
| Sumit Nagal | W 75 63 | L 46 67 |
| Max Houkes | W 64 76 | L 26 36 |
| Thiago Seyboth Wild | W 64 62 | L 36 26 |
| Tom Gentzsch | L 57 46 | L 36 36 |
| Corentin Denolly | W 64 76 | W 61 62 |
| Martin Krumich | L 57 26 | W 63 62 |
Recent Form
Last five matches per player
Chun-Hsin Tseng
Prague Challenger · Final
Aug 22
Filip Cristian Jianu
Prague Challenger · Semifinals
Aug 21
Maxim Mrva
Prague Challenger · Quarterfinals
Aug 20
Sumit Nagal
Prague Challenger · 2nd Round
Aug 19
Petr Brunclik
Prague Challenger · 1st Round
Aug 18
Marvin Moeller
Hamburg Challenger · Final
Aug 16
Matheus Pucinelli De Almeida
Hamburg Challenger · Semifinals
Aug 15
Max Houkes
Hamburg Challenger · 2nd Round
Aug 13
Raul Brancaccio
Hagen Challenger · 1st Round
Aug 4
Jan Kumstat
Liberec Challenger · 1st Round
Jul 27
Thiago Seyboth Wild
Zug Challenger · 1st Round
Jul 20
Juan Manuel Cerundolo
EFG Swiss Open - Gstaad · 1st Round
Jul 14
Taro Daniel
Iasi Challenger · 2nd Round
Jul 9
Stefan Palosi
Iasi Challenger · 1st Round
Jul 6
Tom Gentzsch
Wimbledon · 1st Round Qualifying
Jun 22
Federico Cina
Bratislava Challenger · Quarterfinals
Jun 12
Win rate
Matches, sets and games won · Last 12 months · 61–74 matches
| Metric | Kumstat | Kolar |
|---|---|---|
| Matches won | 69% | 53% |
| Sets won | 65% | 54% |
| Games won | 54% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kumstat | Kolar |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Kumstat | Kolar |
|---|---|---|
| Clay | 1 | 0 |
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