Aliona Bolsova Zadoinov vs Sofia Costoulas · Match odds & ELO prediction
W100 Biarritz • Clay • Jun 12, 2025 • 11:10 AM
Final score
0 - 2
Winner Sofia Costoulas
Key insights
Player performance profile
Aliona Bolsova Zadoinov
36% · 5–9 on hard
56% · 27–21 on clay
Games won (last 10)
41%
10 matches tracked
Player Skillset
Based on ~448 points across 3 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~448 points across 3 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -3.2 | 7% | Vulnerable |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | 0.8 | 77% | Strong |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +1.7 | 64% | Solid |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Sofia Costoulas
80% · 4–1 on hard
Games won (last 10)
50%
10 matches tracked
Player Skillset
Based on ~901 points across 7 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~901 points across 7 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -0.8 | 32% | Shaky |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -0.2 | 56% | Solid |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | -9.5 | 4% | Vulnerable |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
Aliona Bolsova Zadoinov and Sofia Costoulas are set to meet at the W100 Biarritz on June 12, 2025 in a clay-court singles match. Zadoinov enters with a 27–21 record on clay courts in 2025, while Costoulas has posted a 13–5 mark on clay courts this season. Elo ratings suggest a modest statistical edge for Costoulas, but the gap is not overwhelming. Their head-to-head is currently level, with each player having recorded 1 wins.