K. Collignon vs Sebastian Heinrich — M25 Oldenzaal Qualifying Round of 16

M25 Oldenzaal · ITF · Qualifying Round of 16
BEL
K. Collignon
#1688ATP
21 yrs
Last 10 · pre-match
WLWWLLLLLW
0 — 2
Sets
Tuesday, 25 August 2026 ·
clay
GERQ
Sebastian Heinrich
17 yrs
Last 10 · pre-match
LWWWLLWWWL
Collignon K.
6-7 4-6
Heinrich S.
Collignon K.
6540
Heinrich S.
7762

Sebastian Heinrich lost to K. Collignon in the Q16 of the M25 Oldenzaal tournament on clay. The final score was 6-7, 4-6 in favor of K. Collignon. Key stats included 1 ace and 2 double faults for Sebastian Heinrich, compared to 2 aces and 4 double faults for K. Collignon.

Key context

  • Match story: Sebastian Heinrich edged K. Collignon in two tight sets (7–6 6–4).

Head to head

No previous meetings on record.

Statistics

This season
Collignon K.Heinrich S.
1st serve in·
—
66%
1st serve points won·
—
50%
2nd serve points won·
—
47%
Service points won·
—
49%
Return points won·
—
48%
Break points saved·
—
39%
Aces / match·
—
2.0
Double faults / match·
—
3.0

Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.

Win Probability

Pre-match · updated 09:50 UTC
Collignon K.50%
Heinrich S.50%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
Collignon K.
4.9
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Heinrich S.
4.9
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
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.

Conditions

Weather
23°COvercast
Wind 15 km/hHumidity 43%

Draw