Jan Kumstat vs Sebastian Sorger — Prostejov

Prostejov · CHALLENGER
CZE
Jan Kumstat
#679ATP
19 yrs · Right-handed
Last 10
WLWLLWWWLL
—
Sets
Sunday, 31 May 2026 ·
AUT
Sebastian Sorger
#451ATP
20 yrs · 180 cm · Right-handed
Last 10
LLLLLLLLWL

Umpiry Score

Pre-match
Kumstat J.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Sorger S.
5.4
Clear underdogUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
Win streak
0.0Lost last 7
Fatigue & Travel
3-set count
7.01 three-setter 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.

Head to head

No previous meetings on record.

Statistics

Recent form
Kumstat J.Sorger S.
50%1st serve in+16%66%
70%1st serve points won+10%60%
44%2nd serve points won+4%48%
56%Service points won56%
39%Return points won39%
50%Break points saved+5%55%
4.6Aces / match+3.21.4
3.4Double faults / match+0.13.3

Averages from each player's recent completed matches (14 vs 17). ATP, WTA & Challenger.