Sofia Costoulas
WTA · World No. 157 · BEL · Right-handed
At a glance
Elo
1600
Hard Elo
1613
Clay Elo
1515
Grass Elo
1485
Last 52w win%
56%
Last 10
4-6
Tiebreak win%
58%
Deciding-set win%
61%
Serve & return profile
Serve-dominant: holds comfortably and leans on the serve game.
Serve / return map
vs 565 tour pros
Strengths vs tour
Career percentile · tick = tour median
Serve points won58%80th
Return points won45%50th
Ace rate4.4%81th
Double-fault discipline3.4%87th
Break points saved52%35th
Break points won47%50th
Serve anatomy
1st serve in61%
1st serve won64%
2nd serve won47%
Surface splits
Serve & return points won, break-point save & conversion, and ace rate, broken out by surface. Win% is heat-shaded against a 50% baseline. Toggle the window: career, last 52 weeks, or this season.
| Surface | M | W-L | Win% | Serve% | Return% | Ace% | BP Sv% | BP Cv% |
|---|---|---|---|---|---|---|---|---|
| All | 129 | 75-54 | 58% | 58% | 45% | 4.4% | 52% | 47% |
| Hard | 97 | 62-35 | 64% | 58% | 45% | 4.5% | 52% | 47% |
| Clay | 31 | 13-18 | 42% | 56% | 44% | 3.8% | 54% | 47% |
| Grass | 1 | 0-1 | 0% | 61% | 28% | 12.1% | 40% | 50% |
Recent matches
| Date | Tournament | Surf | Odds | R | Opponent | Score |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Wimbledon - London · Grand Slam | Grass | 2.55 | L | Storm Hunter | 7-5 6-4 |
| Jun 3, 2026 | Open delle Puglie - Foggia · WTA 125 | Clay | 1.22 | L | — | 1-6 2-3 ret. |
| Jun 1, 2026 | Open delle Puglie - Foggia · WTA 125 | Clay | — | W | — | 6-4 2-6 6-3 |
| May 28, 2026 | W75 Zaragoza · ITF Event | Clay | 1.44 | L | — | 3-6 6-0 7-6(5) |
| May 27, 2026 | W75 Zaragoza · ITF Event | Clay | — | W | Justina Mikulskyte | 6-0 6-3 |
| May 21, 2026 | French Open - Paris · Grand Slam | Clay | 1.62 | L | Hanyu Guo | 6-3 6-4 |
| May 20, 2026 | French Open - Paris · Grand Slam | Clay | 1.41 | W | Mai Hontama | 6-4 6-3 |
| May 18, 2026 | French Open - Paris · Grand Slam | Clay | 1.04 | W | — | 6-0 6-2 |
| May 5, 2026 | Istanbul Open - Istanbul · WTA 125 | Clay | — | L | Mia Ristic | 2-6 5-5 ret. |
| May 1, 2026 | Open 35 de Saint-Malo - Saint-Malo · WTA 125 | Clay | 2.16 | L | Moyuka Uchijima | 6-4 6-1 |
| Apr 29, 2026 | Open 35 de Saint-Malo - Saint-Malo · WTA 125 | Clay | 2.46 | W | Leolia Jeanjean | 4-6 7-6(1) 6-1 |
| Apr 28, 2026 | Open 35 de Saint-Malo - Saint-Malo · WTA 125 | Clay | 1.41 | W | Ayla Aksu | 7-5 7-6(4) |
| Apr 22, 2026 | Oeiras Open CETO - Oeiras · WTA 125 | Clay | — | L | Elena Pridankina | 6-2 6-3 |
| Apr 20, 2026 | Oeiras Open CETO - Oeiras · WTA 125 | Clay | 2.40 | W | Anouk Koevermans | 6-4 6-4 |
| Apr 17, 2026 | W75 Portoroz · ITF Event | Clay | 2.24 | L | Polona Hercog | 6-1 6-2 |
| Apr 16, 2026 | W75 Portoroz · ITF Event | Clay | — | W | — | 6-1 6-4 |
| Nov 26, 2025 | W50 Ortisei 1 · ITF Event | Hard | — | L | — | 2-6 6-3 6-2 |
| Nov 25, 2025 | W50 Ortisei 1 · ITF Event | Hard | 1.57 | W | Noma Akugue Noha | 7-6(5) 6-3 |
| Nov 19, 2025 | W50 Trnava 1 · ITF Event | Hard | — | L | Mia Ristic | 4-6 6-3 7-6(8) |
| Nov 15, 2025 | Billie Jean King Cup, PO, Group F · Fed Cup | Hard | — | L | Ayla Aksu | 6-3 6-1 |