Tennis · WTA Prague · 19/07, 12:30
Prediction: Sofia Costoulas vs Ayla Aksu
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Prediction summary
Winner
Sofia Costoulas
Ayla Aksu
Estimated games
21.9
Recent form · 10 last
Sofia Costoulas
5-5 (W-L)
Ayla Aksu
8-2 (W-L)
Head-to-head
Sofia Costoulas
2–1
Ayla Aksu
(3 last)
Our model (Elo) vs Market
Rating Elo · Sofia Costoulas 1520 · Ayla Aksu 1530
| Sofia Costoulas | Ayla Aksu | |
|---|---|---|
| Our model | 49% | 51% |
| Market | 63% | 38% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Match keys
- Sofia Costoulas dominates on serve: 6.3 aces and 46% break avg.
- Head-to-head: Sofia Costoulas 2–1 Ayla Aksu (3).
- Note: Sofia Costoulas makes many double faults (4.7/match).
- Note: Ayla Aksu makes many double faults (4/match).
Statistics
| Sofia Costoulas | Ayla Aksu | |
|---|---|---|
| Win % | 50% | 70% |
| Win % · Clay | 57% (7) | 75% (4) |
| Sets (G-P) | 1.1-1.2 | 1.5-0.8 |
| Games (G-P) | 10.4-10.6 | 11.8-10.7 |
| Aces | 6.3 | 1.2 |
| Double faults | 4.7 | 4 |
| 1st serve % | 63.4% | 62% |
| Break % | 46% | 49.7% |
Estimated total games (ours)
21.9
H2H · Sofia Costoulas 2 – 1 Ayla Aksu (3)
Head-to-head (H2H) · Sofia Costoulas 2–1 Ayla Aksu
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| Date | Sets | Games | Res. |
|---|---|---|---|
| 28/04/26 WTA Saint-Malo | 2-0 | 14-11 | W |
| 15/11/25 Billie Jean King Cup | 0-2 | 4-12 | L |
| 30/08/25 W35 Heraklion | 2-1 | 13-11 | W |
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Sofia Costoulas
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 18/07 | Nao Hibino WTA Prague · Hard |
2-1 | 19-16 | W |
| 14/07 | Tereza Valentova WTA Athens · Hard |
0-2 | 3-12 | L |
| 23/06 | Storm Hunter Wimbledon Women · Grass |
0-2 | 9-13 | L |
| 01/06 | Sapfo Sakellaridi WTA Foggia · Clay |
2-1 | 14-13 | W |
| 28/05 | Nadia Podoroska W75 Zaragoza · ~Clay |
1-2 | 12-16 | L |
| 27/05 | Justina Mikulskyte W75 Zaragoza · ~Clay |
2-0 | 11-3 | W |
| 21/05 | Hanyu Guo French Open Women · Clay |
0-2 | 7-12 | L |
| 20/05 | Mai Hontama French Open Women · Clay |
2-0 | 12-7 | W |
| 18/05 | Tereza Mrdeza French Open Women · Clay |
2-0 | 12-2 | W |
| 01/05 | Moyuka Uchijima WTA Saint-Malo · Clay |
0-2 | 5-12 | L |
Ayla Aksu
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 18/07 | Viktoria Morvayova WTA Prague · Hard |
2-0 | 12-6 | W |
| 14/07 | Vendula Valdmannova WTA Istanbul · Hard |
0-2 | 5-13 | L |
| 27/06 | Elena Micic W50 Palma del Rio · ~Clay |
1-1 | 8-9 | L |
| 26/06 | Anna Kubareva W50 Palma del Rio · ~Clay |
2-0 | 13-8 | W |
| 25/06 | Celia Cervino Ruiz W50 Palma del Rio · ~Clay |
2-1 | 17-15 | W |
| 24/06 | Esther Lopez Alcaraz W50 Palma del Rio · ~Clay |
2-0 | 13-9 | W |
| 21/06 | Darja Vidmanova WTA Figueira da Foz · Hard |
0-2 | 5-12 | L |
| 20/06 | Alina Charaeva WTA Figueira da Foz · Hard |
2-1 | 19-16 | W |
| 19/06 | Jeline Vandromme WTA Figueira da Foz · Hard |
2-1 | 14-15 | W |
| 15/06 | Ana Sofia Sanchez WTA Figueira da Foz · Hard |
2-0 | 12-4 | W |
Frequently asked questions
Who is the favourite in Sofia Costoulas vs Ayla Aksu?
Our model gives 56% to Sofia Costoulas, using surface Elo on clay.
What is the prediction based on?
On an Elo model by surface (clay) adjusted for opponent quality, compared with the market odds.