Chun-Hsin Tseng vs Jan KumstatPrediction, Head-to-Head Results, and Stats
Chun-Hsin Tseng and Jan Kumstat have met 1 time since 2026; Jan Kumstat leads 1–0. 1 of their meetings has been a final, with Kumstat leading those 1–0. Across all meetings Tseng has taken 1 sets to Kumstat's 2. Their most recent meeting: Jan Kumstat won at Prague Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tseng | Kumstat | ||
|---|---|---|---|---|
| Indicator | Chun-Hsin Tseng | Jan Kumstat | ||
| Wins in straight sets | 75% | 21/28 | 74% | 31/42 |
| Wins a set when losing | 34% | 10/29 | 39% | 7/18 |
| Goes to a deciding set | 30% | 17/57 | 30% | 18/60 |
| Covers −1.5 sets as favorite | 48% | 14/29 | 65% | 24/37 |
| Covers +1.5 sets as underdog | 59% | 13/22 | 67% | 12/18 |
| Tiebreak sets won | 58% | 11/19 | 52% | 11/21 |
| Wins after taking set 1 | 77% | 23/30 | 88% | 35/40 |
| Wins 2-0 after taking set 1 | 70% | 21/30 | 78% | 31/40 |
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 (Tseng 0, Kumstat 0).
Style Matchup
Playing styles and historical archetype record
Tseng
⚔️ The Gladiator
Kumstat
👑 The Complete Package
Matchup analysis
The 👑 The Complete Package archetype wins about 54% vs ⚔️ The Gladiator across 219 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 the gladiator's physical intensity.
Previous meetings
1 career meeting, newest first
Aug 22, 2026
Prague Challenger
C Clay · Final
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Tseng | Kumstat | ||
|---|---|---|---|---|
| Outcome | Chun-Hsin Tseng | Jan Kumstat | ||
| 1 or more | 71% | 10/14 | 100% | 28/28 |
| 3 or more | 29% | 4/14 | 96% | 27/28 |
| 5 or more | 21% | 3/14 | 86% | 24/28 |
| 10 or more | 0% | 0/14 | 39% | 11/28 |
| 15 or more | 0% | 0/14 | 7% | 2/28 |
| 20 or more | 0% | 0/14 | 4% | 1/28 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tseng | Kumstat |
|---|---|---|
| W-L | 7–7 | 22–7 |
| Avg odds | 1.85 | 1.68 |
| ROI % | -21.0% | +25.4% |
| Units P/L | -2.94u | +7.36u |
Travel
Last 30 days
| Metric | Tseng | Kumstat |
|---|---|---|
| Countries | 2 | 2 |
| Events | 3 | 3 |
| Matches | 7 | 11 |
| Distance | 490 mi · 788 km | 593 mi · 954 km |
| Route | GER → CZE | CZE → GER → CZE |
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 (40% vs Tseng's 20%).
| Opponent | Tseng | Kumstat |
|---|---|---|
| Maxim Mrva | L 36 46 | W 61 75 |
| Vitaliy Sachko | L 75 16 46 | L 75 06 36 |
| Tom Gentzsch | L 16 61 16 | L 57 46 |
| Frederico Ferreira Silva | W 61 62 | W 64 75 |
| Yannick Hanfmann | L 16 76 06 | L 16 36 |
Recent Form
Last five matches per player
Jan Kumstat
Prague Challenger · Final
Aug 22
Norbert Gombos
Prague Challenger · Semifinals
Aug 21
Oleksii Krutykh
Prague Challenger · Quarterfinals
Aug 20
Juan Bautista Torres
Prague Challenger · 2nd Round
Aug 19
Hynek Barton
Prague Challenger · 1st Round
Aug 18
Vitaliy Sachko
Hamburg Challenger · 1st Round
Aug 10
Tom Gentzsch
Hagen Challenger · 2nd Round
Aug 5
Gustavo Heide
Wimbledon · 1st Round Qualifying
Jun 29
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
Win rate
Matches, sets and games won · Last 12 months · 57–61 matches
| Metric | Tseng | Kumstat |
|---|---|---|
| Matches won | 49% | 69% |
| Sets won | 50% | 65% |
| Games won | 50% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tseng | Kumstat |
|---|---|---|
| Finals | 0 | 1 |
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Tseng | Kumstat |
|---|---|---|
| Clay | 0 | 1 |
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