Serve
2026 service
SPW
—
No per-match serve stats for this scope yet.
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Snapshot · 2026
Jan's 2026: 3 titles
Jan's 2026 brought 3 titles — Liberec Challenger, Hamburg Challenger, Prague Challenger — on a 38–16 ledger. A 17-match win streak was one of the season's loudest stretches.
ATP#192
3 titles
Jan Kumstat
🇨🇿 CZE · 2026
38–16
Record
38–16
70.4% won
Titles
3
1 RU
Best streak
17W
Season peak
Rank
#192
Current
Surfaces · 2026
Strongest on Clay
30–8 · 79% on Clay — court-by-court record this filter.
Clay
Best court79%
30–8
Outdoor hard
12 matches
58%
7–5
Indoor hard
5 matches
40%
2–3
Rank
2026 trajectory
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Detail
More numbers
Serve & return · 2026
2026 service & return
Point-level service and return — hold, break, and how the points tilt.
Return
2026 return
BP
—
No year return stats yet — re-sync to pull Match_Statistics_by_Year.
Rivalries
H2H · 2026
Who they keep meeting — portraits, series score, and when it happened.
- W7-5 6-3
Prague Challenger
Aug 19, 2026R64Clay - W7-5 6-4
Liberec Challenger
Aug 1, 2026SFClay
- W4-6 7-6(5) 7-5
Hamburg Challenger
Aug 16, 2026FClay - W7-6(5) 6-4
M25 Ceska Lipa
Jun 12, 2026QFClay
- W6-1 6-1
Bunschoten Challenger
Jul 17, 2026QFClay - W3-6 7-5 10-7
M15 Heraklion 3
Mar 27, 2026R64Hard
- W7-6(4) 7-6(5)
Olbia Challenger
Oct 13, 2026R128Hard
- W5-7 6-3 6-0
Prague Challenger
Aug 22, 2026FClay
- W6-1 6-4
Prague Challenger
Aug 21, 2026SFClay
- W6-1 7-5
Prague Challenger
Aug 20, 2026QFClay
- W7-5 6-1
Prague Challenger
Aug 18, 2026R128Clay