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ATP Tour

Jan Kumstat

10-match win streakWon Prague Challenger
#186

ATP World Ranking - 302 pts

Next Match

1st RoundClay

Como Challenger

Jan Kumstat

Jan Kumstat

CZE

1.18
vs
Juan Pablo Varillas
Juan Pablo Varillas

PER

4.56
Aug 31, 2026Confidence73.0%
View H2H & prediction

Player Archetype

👑 The Complete Package

Elite across every dimension - dominant serve, elite return game, and the mental toughness to close out tight matches. These players impose their will regardless of surface or opponent style.

Elite serve & returnHigh BP conversionAll-surface dominanceClutch performer

Strong against

🪃 Counterpuncher56%
🏃 Pusher56%

Weak against

🎯 Baseliner44%
🎾 All-Court44%

Player Overview

Age

19

Height

6'5" (196 cm)

Weight

83 kg (183 lbs)

Plays

Right-Handed, Two-Handed BH

Career-High Ranking

#657 (2026-02-02)

Career

54

Wins

29

Losses

65.1%

Win %

0

Titles

Win / Loss by Year

Career record broken down by surface

YearSummaryClayHardGrass
202636/1225/711/5-
202517/1014/53/5-
20240/30/3--
20230/10/1--
20220/20/10/1-
Career53/2839/1714/11-

Serve & Return

Averages · Last 90 days (30 matches)

Serve

1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match8.3
Double Faults / Match2.7
Avg 1st Serve-
Max Serve Speed-

Return

1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-

Rally

Winners / Match-
Unforced Errors / Match-
Net Pts Won %-
Total Pts Won %-

Prop Research

Career hit rates on common betting markets · 79 serve-stat matches

Jan Kumstat has served 3+ aces in 81% of career matches and 5+ aces in 62%.

Ace Totals
OutcomeHit rate
1 or more99%
3 or more81%
5 or more62%
10 or more20%
15 or more3%
20 or more1%
Double Fault Totals
OutcomeHit rate
1 or more81%
2 or more72%
3 or more51%
5 or more14%
8 or more1%
10 or more1%
Total Sets
OutcomeHit rate
2 Sets70%
3 Sets29%
Set Betting
OutcomeHit rate
2-047%
2-119%
1-210%
0-223%
Match/Set Winner
OutcomeHit rate
1st Set Winner59%
2nd Set Winner63%
3rd Set Winner65%

Recent Matches

Last 10 results

FormWWWWW
DateOpponentScoreResult
Aug 22, 2026Chun-Hsin Tseng
57
63
60
W
Aug 21, 2026Filip Cristian Jianu
61
64
W
Aug 20, 2026Maxim Mrva
61
75
W
Aug 19, 2026Sumit Nagal
75
63
W
Aug 18, 2026Petr Brunclik
75
61
W
Aug 16, 2026Marvin Moeller
46
76
75
W
Aug 15, 2026Matheus Pucinelli De Almeida
64
57
62
W
Aug 13, 2026Max Houkes
64
76
W
Aug 11, 2026Jamie Mackenzie
67
63
63
W
Aug 2, 2026Gonzalo Bueno
63
61
W
View all matches

Rivalries

Most-played opponents, head-to-head

Marvin Moeller4–04 mtg

ATP Rankings

View all →
  1. 1-🇮🇹Sinner12,800
  2. 21🇩🇪Zverev7,790
  3. 31🇪🇸Alcaraz7,160
  4. 4-🇨🇦Auger-Aliassime4,640
  5. 5-🇷🇸Djokovic3,770
  6. 64🇮🇹Cobolli3,720
  7. 71🇦🇺Minaur3,650
  8. 81🇷🇺Medvedev3,580
  9. 93🇺🇸Shelton3,480
  10. 101🇺🇸Fritz3,475

Jan Kumstat FAQ

Jan Kumstat is ranked #186 on the ATP tour with 302 ranking points. The career-high ranking is #657, reached in 2026.

Jan Kumstat is from Czech Republic.

Jan Kumstat is listed at 6'5" (196 cm). Listed weight is 83 kg (183 lb).

Jan Kumstat is 19 years old.

Jan Kumstat plays right-handed with a two-handed backhand.

Jan Kumstat has a career win-loss record of 54-29 (65% win rate).

Jan Kumstat: a career-high ranking of #657 in 2026 and 54 career wins.

Jan Kumstat's strongest surface by win rate is clay, with a 39-17 record (70%). Full career splits: hard 14-11 (56%) and clay 39-17 (70%).

Jan Kumstat has won 10 of the last 10 completed matches (100%). The current run is 10 straight wins.

Jan Kumstat is scheduled to face Juan Pablo Varillas at Como Challenger on Aug 31, 2026.

Jan Kumstat plays next on Aug 31, 2026 at Como Challenger (1st Round, clay courts), against Juan Pablo Varillas. Scheduled times move, so check the match page for the latest.

Jan Kumstat's most-played opponents are Marvin Moeller (4 meetings, 4-0).