Sofia Costoulas vs Aliona Bolsova — W100 Biarritz 1 Round of 16

W100 Biarritz 1 · ITF · Round of 16
BEL
Sofia Costoulas
#155WTA
1565ELO
1500Clay ELO
21 yrs
Last 10 · pre-match
LWWLLLWLWL
2 — 0
Sets
Thursday, 12 June 2025 ·
clay
Aliona Bolsova
ESP
Aliona Bolsova
#343WTA
1510ELO
1487Clay ELO
28 yrs · 172 cm · Right-handed
Last 10 · pre-match
LWLLWLWLWL
Costoulas S.
7-6 6-4
Bolsova A.
Costoulas S.
7762
Bolsova A.
6240

Sofia Costoulas defeated Aliona Bolsova 7-6 6-4 in the W100 Biarritz 1 round of 16 on clay. Sofia Costoulas claimed a first win over Aliona Bolsova in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2025-05-08W35 Platja d'Aro 1R16clayAliona Bolsova6-4 6-4

Statistics

This season
Costoulas S.Bolsova A.
1st serve in·Clear edge
61%
74%
1st serve points won·Slight edge
69%
58%
2nd serve points won·Even
47%
43%
Service points won·Slight edge
60%
54%
Return points won·Even
45%
46%
Break points saved·Slight edge
58%
53%
Aces / match·Clear edge
3.2
1.1
Double faults / match·Slight edge
2.1
2.7

Averages over each player's completed matches in the selected window (98 vs 69). ATP, WTA & Challenger.

Clutch

Under pressure
Costoulas S.Bolsova A.
Clutch Rating·Dominant
83
18
Break points saved·Dominant
83
30
Break points won·Even
82
80
Deciding sets·Dominant
96
20
Tiebreaks·
—
55

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Costoulas S.Bolsova A.
Freshness·
77
—

Costoulas S.: 6 days rest · 2 matches, 47 games (7d). Higher means fresher. About

Draw