Jan Kumstat vs Gonzalo BuenoLiberec Final

Liberec · CHALLENGER · Final
#347ATP
19 yrs · Right-handed
Last 10 · pre-match
WWWWWWWWWW
2 — 0
Sets
Sunday, 2 August 2026 ·
clay
SVIJANY COURT · 1st on
#178ATP
1491ELO
1469Clay ELO
$136kYTD
$352kCAREER
22 yrs · 173 cm · Right-handed
Last 10 · pre-match
WWWWWLWWWL
Kumstat J.
6-3 6-1
Bueno G.
Kumstat J.
662
Bueno G.
310

Jan Kumstat won the Liberec final on clay, defeating Gonzalo Bueno 6-3, 6-1. Kumstat hit 6 aces to Bueno's 2 and converted 36% of his break points, compared to Bueno's 0%. Kumstat won 90% of his first-serve points and took 4 service breaks to Bueno's 0.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
56%
58%
1st serve points won·Slight edge
72%
64%
2nd serve points won·Slight edge
58%
48%
Service points won·Slight edge
66%
57%
Return points won·Slight edge
39%
44%
Break points saved·Clear edge
40%
59%
Aces / match·Dominant
6.7
1.3
Double faults / match·Dominant
2.1
3.6

Averages over each player's completed matches in the selected window (10 vs 37). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 08:50 UTC
Kumstat J.37%
Bueno G.63%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Bueno G. 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
5.5
Slight disadvantageUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
5.3
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
9.09 of last 10 on clay
Surface form
7.77 of last 10 on clay
7.04-match win streak
Win streak
7.04-match win streak
Fatigue & Travel
7.01 three-setter 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
Freshness·Dominant
45
80

Kumstat J.: 1 day rest · 5 matches, 119 games (7d) · Bueno G.: 1 day rest · 1 match, 25 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
19°COvercast
Wind 1 km/hHumidity 70%

Draw