Elvina Kalieva vs Sofia Costoulas — US Open Qualifying Round of 64
Kalieva E.
Elvina Kalieva defeated Sofia Costoulas in the US Open qualifying round 64. The match ended with a score of 3-6, 6-3, 6-4 in favor of Kalieva. Key stats included 5 aces and 4 service breaks for Kalieva, compared to 4 aces and 3 service breaks for Costoulas.
Key context
- Match story: Elvina Kalieva dropped the opening set before beating Sofia Costoulas 3–6 6–3 6–4.
Head to head
1–1| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-03-08 | W35 Santo Domingo 1 | QF | hard | Elvina Kalieva | 6-7(6) 6-4 6-0 |
| 2023-05-19 | W25 Feld am See | SF | clay | Sofia Costoulas | 6-2 6-3 |
Statistics
This seasonAverages over each player's completed matches in the selected window (42 vs 44). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Win Probability
Pre-match · updated 00:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadKalieva E.: 1 day rest · 3 matches, 82 games (7d) · Costoulas S.: 2 days rest · 2 matches, 50 games (7d). Higher means fresher. About