Radka Zelnickova vs Sofia Costoulas · Match odds & ELO prediction
Rovereto • Hard • Oct 21, 2025 • 9:05 AM
Final score
0 - 2
Winner Sofia Costoulas
Key insights
Player performance profile
Radka Zelnickova
52% · 17–16 on hard
43% · 9–12 on clay
Games won (last 10)
40%
4 matches tracked · limited sample
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.
Match Overview
Radka Zelnickova and Sofia Costoulas are set to meet at the Rovereto on October 21, 2025 in a hard-court singles match. Zelnickova enters with a 17–16 record on hard courts in 2025, while Costoulas has posted a 36–19 mark on hard courts this season. Elo ratings point to a clear statistical advantage for Costoulas entering this matchup. In their head-to-head history, Costoulas leads 1–0 over Zelnickova, including a win in their most recent meeting.