Matthew William Donald vs Dimitris SakellaridisM25 Muttenz Quarter-final

M25 Muttenz · ITF · Quarter-final
#461ATP
21 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWLWWLWLWW
2 — 0
Sets
Friday, 14 August 2026 ·
clay
#562ATP
20 yrs · Right-handed
Last 10 · pre-match
LWWWLWLWWL
William Donald M.
6-3 6-4
Sakellaridis D.
William Donald M.
662
Sakellaridis D.
340

Matthew William Donald defeated Dimitris Sakellaridis 6-3, 6-4 in the quarterfinals of the M25 Muttenz tournament on clay. Donald hit 2 aces and 4 double faults, winning 71% of his first serves and converting 45% of break points. He secured 5 service breaks to Sakellaridis' 2, advancing to the next round.

Key context

Head to head

20
DateTournamentRoundSurfaceWinnerScore
2025-03-12M15 Monastir 10R32hardMatthew William Donald4-6 6-1 7-5
2024-01-08M15 Monastir 2Q32hardMatthew William Donald7-5 6-3

Statistics

This season
1st serve in·Even
67%
63%
1st serve points won·Even
63%
63%
2nd serve points won·Slight edge
43%
50%
Service points won·Even
57%
58%
Return points won·Even
47%
48%
Break points saved·Even
51%
55%
Aces / match·Slight edge
0.8
2.1
Double faults / match·Dominant
5.1
2.0

Averages over each player's completed matches in the selected window (12 vs 21). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 12:50 UTC
William Donald M.52%
Sakellaridis D.48%
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
4.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
4.9
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0First meeting on clay
H2H
5.0First meeting on clay
4.14 of last 10 on clay
Surface form
0.0
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.

Freshness

Recent load
Freshness·Slight edge
68
76

William Donald M.: 2 days rest · 2 matches, 56 games (7d) · Sakellaridis D.: 2 days rest · 2 matches, 43 games (7d). Higher means fresher. About

Conditions

Weather
37°CClear
Wind 10 km/hHumidity 17%

Draw