Sofia Costoulas vs Kiara Toth Amarissa · Match odds & ELO prediction
WTA Billie Jean King Cup - Group I • Unknown • Apr 9, 2025 • 9:10 AM
Final score
2 - 1
Winner Sofia Costoulas
Key insights
Player performance profile
Sofia Costoulas
80% · 4–1 on hard
Games won (last 10)
55%
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 | 58% | 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.
Kiara Toth Amarissa
50% · 1–1 on clay
Games won (last 10)
47%
10 matches tracked
Player Skillset
Based on ~0 points across 2 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~0 points across 2 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | 0.0 | 45% | Shaky |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | 0.0 | 61% | Solid |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +0.1 | 51% | Solid |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
Sofia Costoulas and Kiara Toth Amarissa are set to meet at the WTA Billie Jean King Cup - Group I on April 9, 2025 in a tour-level singles match. Costoulas enters with a 50–26 record on tour-level courts in 2025, while Amarissa has posted a 38–20 mark on tour-level courts this season. Elo ratings point to a clear statistical advantage for Costoulas entering this matchup. Their head-to-head is currently level, with each player having recorded 1 wins.