Jan Kumstat vs JiSung NamPrediction, Head-to-Head Results, and Stats
Jan Kumstat and JiSung Nam have met 1 time since 2026; Jan Kumstat leads 1–0. Across all meetings Kumstat has taken 2 sets to Nam's 0. Their most recent meeting: Jan Kumstat won at Unicredit Czech Open (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Kumstat | Nam | ||
|---|---|---|---|---|
| Indicator | Jan Kumstat | JiSung Nam | ||
| Wins in straight sets | 74% | 31/42 | 75% | 6/8 |
| Wins a set when losing | 39% | 7/18 | 30% | 3/10 |
| Goes to a deciding set | 30% | 18/60 | 28% | 5/18 |
| Covers −1.5 sets as favorite | 65% | 24/37 | 80% | 4/5 |
| Covers +1.5 sets as underdog | 67% | 12/18 | 46% | 6/13 |
| Tiebreak sets won | 52% | 11/21 | 40% | 2/5 |
| Wins after taking set 1 | 88% | 35/40 | 73% | 8/11 |
| Wins 2-0 after taking set 1 | 78% | 31/40 | 55% | 6/11 |
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: 1 of 1 completed meetings ended in straight sets (Kumstat 1, Nam 0).
Style Matchup
Playing styles and historical archetype record
Kumstat
👑 The Complete Package
Nam
⚔️ The Gladiator
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
May 31, 2026
Unicredit Czech Open
C Clay · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Kumstat | Nam |
|---|---|---|
| W-L | 22–7 | - |
| Avg odds | 1.68 | - |
| ROI % | +25.4% | - |
| Units P/L | +7.36u | - |
Travel
Last 30 days
| Metric | Kumstat | Nam |
|---|---|---|
| Countries | 2 | — |
| Events | 3 | — |
| Matches | 11 | — |
| Distance | 593 mi · 954 km | — |
| Route | 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.
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
Jan Kumstat
Unicredit Czech Open · 1st Round Qualifying
May 31
Laurent Lokoli
Internazionali Di Tennis - Citta'Di Vicenza · 1st Round Qualifying
May 24
Marat Sharipov
Renault Busan Open Tennis Championships · 1st Round Qualifying
Apr 12
Braden Shick
Miyazaki Challenger · 1st Round
Mar 31
Takuya Kumasaka
Koyushokucho Miyazaki Challenger · 1st Round Qualifying
Mar 30
Yuta Kikuchi
Koyushokucho Miyazaki Challenger · 2nd Round Qualifying
Mar 30
Marek Gengel
NovaWorld Phan Thiet Challenger 2 · 1st Round Qualifying
Jan 25
Kokoro Isomura
Bangkok Open 1 · 1st Round Qualifying
Jan 4
Win rate
Matches, sets and games won · Last 12 months · 18–61 matches
| Metric | Kumstat | Nam |
|---|---|---|
| Matches won | 69% | 44% |
| Sets won | 65% | 46% |
| Games won | 54% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Kumstat | Nam |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Kumstat | Nam |
|---|---|---|
| Clay | 1 | 0 |
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