Fons Van Sambeek vs Pieter De Lange — M15 Haren Quarter-final

M15 Haren · ITF · Quarter-final
NED8
Fons Van Sambeek
#1039ATP
24 yrs · 185 cm · Left-handed
Last 10 · pre-match
WWLLLLLLLW
1 — 2
Sets
Friday, 4 September 2026 ·
clay
NED2
Pieter De Lange
#640ATP
20 yrs
Last 10 · pre-match
LWWLWWLWLL
Van Sambeek F.
6-0 3-6 4-6
De Lange P.
Van Sambeek F.
6341
De Lange P.
0662

Fons Van Sambeek advanced to the semifinals of the M15 Haren tournament with a quarterfinal victory over Pieter De Lange. Van Sambeek won the match in three sets, 0-6, 6-3, 6-4.

Generated automatically from Umpiry match data.

Key context

Head to head

0–4
DateTournamentRoundSurfaceWinnerScore
2026-08-12M15 TrierR32clayPieter De Lange6-1 5-7 2-6
2026-07-09M25 The HagueR16clayPieter De Lange7-6 6-4
2026-06-26M15 AlkmaarQFclayPieter De Lange4-6 1-6
2025-07-02M15 Amstelveen 1R32clayPieter De Lange3-6 6-0 6-4

Statistics

This season
Van Sambeek F.De Lange P.
1st serve in·Slight edge
57%
64%
1st serve points won·Even
65%
66%
2nd serve points won·Even
43%
47%
Service points won·Even
55%
59%
Return points won·Even
41%
44%
Break points saved·Clear edge
42%
58%
Aces / match·Slight edge
0.7
1.9
Double faults / match·Clear edge
3.3
4.4

Averages over each player's completed matches in the selected window (6 vs 17). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 17:50 UTC
Van Sambeek F.31%
De Lange P.69%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · De Lange P. clearly ahead, but no certainty

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

Umpiry Score

Pre-match
Van Sambeek F.
3.9
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
De Lange P.
4.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
1.6Trails 0–4 on clay
H2H
8.4Leads 4–0 on clay
0.0Lost last 5
Win streak
0.0
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
17°COvercast
Wind 19 km/hHumidity 89%

Draw