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 | 77% | 24/31 | 71% | 29/41 |
| Wins a set when losing | 28% | 8/29 | 38% | 6/16 |
| Goes to a deciding set | 25% | 15/60 | 32% | 18/57 |
| Covers −1.5 sets as favorite | 50% | 16/32 | 65% | 24/37 |
| Covers +1.5 sets as underdog | 52% | 11/21 | 67% | 12/18 |
| Tiebreak sets won | 50% | 10/20 | 58% | 11/19 |
| Wins after taking set 1 | 81% | 26/32 | 89% | 33/37 |
| Wins 2-0 after taking set 1 | 75% | 24/32 | 78% | 29/37 |
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
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 55% vs ⚔️ The Gladiator across 1,349 matches in our dataset: a stylistic lean toward Jan Kumstat.
Big Hitter players often use power groundstrokes and high winner count 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 | 85% | 11/13 | 100% | 19/19 |
| 3 or more | 62% | 8/13 | 95% | 18/19 |
| 5 or more | 39% | 5/13 | 74% | 14/19 |
| 10 or more | 0% | 0/13 | 37% | 7/19 |
| 15 or more | 0% | 0/13 | 5% | 1/19 |
| 20 or more | 0% | 0/13 | 5% | 1/19 |
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 | 8–7 | 18–2 |
| Avg odds | 1.90 | 1.62 |
| ROI % | -15.6% | +41.6% |
| Units P/L | -2.34u | +8.31u |
Travel
Last 30 days
| Metric | Tseng | Kumstat |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 1 | — |
| Distance | 0 mi · 0 km | — |
| Route | CHN | — |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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 (50% vs Tseng's 25%).
| 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 |
Recent Form
Last five matches per player
Nicolas Mejia
Shanghai Rolex Masters - Shanghai · 1st Round Qualifying
Oct 5
Olle Wallin
Davis Cup, Group I, 1R, TPE-SWE 3-2 · Rubber 4
Sep 20
Karl Friberg
Davis Cup, Group I, 1R, TPE-SWE 3-2 · Rubber 2
Sep 19
Luca Castelnuovo
Shanghai Challenger · 1st Round
Sep 8
Kasidit Samrej
Zhangjiagang Challenger · Semifinals
Sep 5
Fajing Sun
Zhangjiagang Challenger · Quarterfinals
Sep 4
Yosuke Watanuki
Zhangjiagang Challenger · 2nd Round
Sep 2
Tianhui Zhang
Zhangjiagang Challenger · 1st Round
Sep 1
Juan Pablo Varillas
Como Challenger · 1st Round
Aug 31
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
Win rate
Matches, sets and games won · Last 12 months · 58–60 matches
| Metric | Tseng | Kumstat |
|---|---|---|
| Matches won | 52% | 71% |
| Sets won | 52% | 66% |
| Games won | 51% | 55% |
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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