Jan Kumstat vs Max HoukesHamburg Round of 16

Hamburg · CHALLENGER · Round of 16
#347ATP
19 yrs · Right-handed
Last 10 · pre-match
WWWWWWWWWW
2 — 0
Sets
Thursday, 13 August 2026 ·
clay
M1 · 1st on
#242ATP
1460ELO
1444Clay ELO
26 yrs · 188 cm · Left-handed
Last 10 · pre-match
WLWLLWWLWW
Kumstat J.
6-4 7-6
Houkes M.
Kumstat J.
672
Houkes M.
460

Max Houkes advanced to the quarterfinals at the Hamburg tournament, defeating Jan Kumstat in the Round of 16. The match ended with Houkes taking the first set 6-4 and winning the second set 7-6.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Slight edge
56%
61%
1st serve points won·Slight edge
72%
67%
2nd serve points won·Slight edge
58%
49%
Service points won·Slight edge
66%
60%
Return points won·Even
39%
40%
Break points saved·Clear edge
40%
61%
Aces / match·Clear edge
6.7
3.8
Double faults / match·Slight edge
2.1
2.6

Averages over each player's completed matches in the selected window (10 vs 25). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 07:50 UTC
Kumstat J.49%
Houkes M.51%
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
6.8
Slight advantageUmpiry ScorePartial · surface data limited
5.9
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
9.39 of last 10 on clay
Surface form
4.54 of last 10 on clay
10.08-match win streak
Win streak
Fatigue & Travel
4.02 three-setters in 14 days
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.

Freshness

Recent load
Freshness·Dominant
45
84

Kumstat J.: 2 days rest · 5 matches, 131 games (7d) · Houkes M.: 5 days rest · 2 matches, 43 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
22°CMainly clear
Wind 7 km/hHumidity 48%

Draw