Sofia Costoulas vs Anouk Koevermans · Match odds & ELO prediction
Oeiras 4 (Portugal) - Qualification • Clay • Apr 20, 2026 • 12:25 PM
Final score
2 - 0
Winner Sofia Costoulas
Key insights
Player performance profile
Sofia Costoulas
68% · 15–7 on hard
44% · 4–5 on clay
Games won (last 10)
50%
10 matches tracked
Player Skillset
Based on ~1,443 points across 11 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~1,443 points across 11 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -1.2 | 27% | Shaky |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | 0.9 | 80% | Strong |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | -12.1 | 1% | Vulnerable |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Anouk Koevermans
71% · 15–6 on hard
25% · 1–3 on clay
Games won (last 10)
53%
10 matches tracked
Player Skillset
Based on ~1,244 points across 10 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~1,244 points across 10 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -2.5 | 13% | Vulnerable |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -4.0 | 3% | Vulnerable |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +7.8 | 95% | Elite |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
Sofia Costoulas and Anouk Koevermans are set to meet at the Oeiras 4 (Portugal) - Qualification on April 20, 2026 in a clay-court singles match. Costoulas enters with a 4–5 record on clay courts in 2026, while Koevermans has posted a 1–3 mark on clay courts this season. Elo ratings point to a clear statistical advantage for Koevermans entering this matchup. Their head-to-head is currently level, with each player having recorded 1 wins.