Jan Kumstat vs Thiago Seyboth WildLiberec Round of 16

Liberec · CHALLENGER · Round of 16
#347ATP
19 yrs · Right-handed
Last 10 · pre-match
WWWWWWWWWW
2 — 0
Sets
Wednesday, 29 July 2026 ·
clay
SVIJANY COURT · 1st on
#202ATP
1532ELO
1516Clay ELO
26 yrs · 185 cm · Right-handed
Last 10 · pre-match
WWWWWWLWLW
Kumstat J.
6-4 6-2
Seyboth Wild T.
Kumstat J.
662
Seyboth Wild T.
420

Jan Kumstat defeated Thiago Seyboth Wild 6-4, 6-2 in the Round of 16 at the Liberec clay tournament. Kumstat hit 11 aces and converted 60% of his break points, while Seyboth Wild did not manage to convert any. Kumstat won 84% of his first-serve points and took three service breaks to Seyboth Wild's zero.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Slight edge
56%
64%
1st serve points won·Even
72%
70%
2nd serve points won·Slight edge
58%
53%
Service points won·Even
66%
64%
Return points won·Even
39%
38%
Break points saved·Dominant
40%
67%
Aces / match·Dominant
6.7
3.4
Double faults / match·Even
2.1
2.4

Averages over each player's completed matches in the selected window (10 vs 18). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 08:50 UTC
Kumstat J.39%
Seyboth Wild T.61%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Seyboth Wild T. narrowly ahead

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry ScorePartial · surface data limited
5.8
Slight disadvantageUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
7.27 of last 10 on clay
Surface form
8.58 of last 10 on clay
Win streak
9.06-match win streak
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
0.03 three-setters in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Freshness

Recent load
Freshness·Dominant
45
100

Kumstat J.: 2 days rest · 5 matches, 131 games (7d) · Seyboth Wild T.: 20 days rest. Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
23°COvercast
Wind 9 km/hHumidity 46%

Draw