Anouk Koevermans vs Darja Semenistaja — San Sebastian 125 Semi-final

San Sebastian 125 · CHALLENGER · Semi-final
NED
Anouk Koevermans
#160WTA
1538ELO
1490Clay ELO
22 yrs · Right-handed
Last 10 · pre-match
LLWLLWWLLL
0 — 0
Sets
Monday, 8 September 2025
clay
LAT
Darja Semenistaja
#104WTA
1654ELO
1636Clay ELO
23 yrs · 169 cm · Left-handed
Last 10 · pre-match
LLLWWLWLWW
Koevermans A.
7-5 7-6
Semenistaja D.
Koevermans A.
7772
Semenistaja D.
565–

Anouk Koevermans defeated Darja Semenistaja 7-5 7-6 in the San Sebastian 125 semi-final on clay. The upset overturned the form book — Darja Semenistaja came in ranked #104.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Koevermans A.serving42% hold

wins 47% of points on serve vs Semenistaja D.

Semenistaja D.serving44% hold

wins 48% of points on serve vs Koevermans A.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Koevermans A.Semenistaja D.
1st serve in·Even
63%
65%
1st serve points won·Slight edge
66%
61%
2nd serve points won·Slight edge
43%
48%
Service points won·Even
57%
56%
Return points won·Even
45%
47%
Break points saved·Even
55%
54%
Aces / match·Slight edge
2.5
1.9
Double faults / match·Dominant
4.3
1.5

Averages over each player's completed matches in the selected window (73 vs 110). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Koevermans A.
6.3
Marginal edgeUmpiry Score
Semenistaja D.
6.6
Marginal edgeUmpiry Score
Form & Matchup
3.9Clay Elo 1490
Surface ELO
6.1+145 Clay Elo edge
4.2Overall Elo 1538
ELO gap
5.8Overall Elo 1654
10.0No prior meetings
H2H
0.0
6.6
Surface form
7.0
0.0Lost last 2
Win streak
7.04-match win streak
Fatigue & Travel
7.0
3-set count
0.0
Context
5.0
Defending pts
5.0

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
Koevermans A.Semenistaja D.
Freshness·Clear edge
100
87

Koevermans A.: 18 days rest · Semenistaja D.: 5 days rest · 1 match, 24 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Selekhmeteva O.
Koevermans A.
6-06-4
Semi-finals
Selekhmeteva O.
Korpatsch T.
6-26-1
Koevermans A.
Semenistaja D.
7-57-65
Quarter-finals
Korpatsch T.
Rus A.
7-683-66-1
Selekhmeteva O.
Radivojevic L.
7-636-4
Semenistaja D.
Branstine C.
6-46-4
Koevermans A.
Fita Boluda A.
7-56-3
R16
Korpatsch T.
Sherif M.
6-16-2
Radivojevic L.
Todoni A.
W/O
Semenistaja D.
Burillo Escorihuela I.
6-17-5
Fita Boluda A.
Romero Gormaz L.
5-76-26-3
Koevermans A.
Bejlek S.
6-43-66-3
Rus A.
Bolsova A.
6-31-66-4
Branstine C.
Grabher J.
6-16-4
Selekhmeteva O.
Mintegi Del Olmo A.
6-36-4
R32
Rus A.
Vedder E.
6-44-66-0
Todoni A.
Spiteri D.
1-66-36-2
Radivojevic L.
Uebelhoer C.
6-46-3
Selekhmeteva O.
Wurth T.
6-45-76-2
Branstine C.
Bassols Ribera M.
7-645-76-4
Romero Gormaz L.
Esquiva Banuls C.
6-26-0
Fita Boluda A.
Martinez Cirez C.
3-66-27-61
Koevermans A.
Smith T.
6-33-66-3
Sherif M.
Berecoechea N.
6-16-1
Bolsova A.
Kalieva E.
7-626-3
Grabher J.
Cortez Llorca L.
6-16-1
Burillo Escorihuela I.
Naef C.
3-67-636-1
Semenistaja D.
Maristany Zuleta De Reales G.
6-16-2
Bejlek S.
Schunk N.
6-26-1
Korpatsch T.
Cornet A.
6-36-2
Mintegi Del Olmo A.
Von Deichmann K.
6-36-2