Carlos Taberner vs Jan Kumstat — Hamburg Quarter-final

Hamburg · CHALLENGER · Quarter-final
Carlos Taberner
ESP
Carlos Taberner
#381ATP
1610ELO
1605Clay ELO
$102kYTD
$1.6MCAREER
29 yrs · 183 cm · Right-handed
Last 10 · pre-match
WWLWWLLLLW
0 — 1
Sets
Retired
Friday, 14 August 2026 ·
clay
CENTER COURT · 2nd on
CZEQ
Jan Kumstat
#347ATP
19 yrs · Right-handed
Last 10 · pre-match
WWWWWWWWWW
Taberner C.
5-7 0-0
Kumstat J.
Taberner C.
500
Kumstat J.
701

Carlos Taberner advanced to the Hamburg quarterfinals with a 7-5 win over Jan Kumstat. The match was played on clay. Taberner moves on to the next round.

Head to head

No previous meetings on record.

Statistics

This season
Taberner C.Kumstat J.
1st serve in·Slight edge
61%
56%
1st serve points won·Slight edge
61%
72%
2nd serve points won·Clear edge
36%
58%
Service points won·Clear edge
51%
66%
Return points won·Clear edge
25%
39%
Break points saved·Even
38%
40%
Aces / match·Dominant
1.0
6.7
Double faults / match·Dominant
7.5
2.1

Averages over each player's completed matches in the selected window (2 vs 10). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 13:50 UTC
Taberner C.54%
Kumstat J.46%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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
Taberner C.
5.1
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Kumstat J.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
6.56 of last 10 on clay
Surface form
9.49 of last 10 on clay
Win streak
10.09-match win streak
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
4.02 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
Taberner C.Kumstat J.
Freshness·Dominant
80
44

Taberner C.: 6 days rest · 2 matches, 38 games (7d) · Kumstat J.: 1 day rest · 6 matches, 140 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
33°COvercast
Wind 11 km/hHumidity 25%

Draw