Elena Rybakina defeated Maria Sakkari 6-4 6-3 in the United Cup round robin on hard. The result followed the form book — Elena Rybakina came in ranked #2, leading the head-to-head 5–1. Elena Rybakina extended the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-05-08 | Rome | R64 | clay | Elena Rybakina | 4-6 1-6 |
| 2025-06-30 | Wimbledon | R64 | grass | Elena Rybakina | 6-3 6-1 |
| 2024-03-18 | Miami | QF | hard | Elena Rybakina | 7-5 6-7 6-4 |
| 2023-10-30 | Cancun Finals | RR | hard | Elena Rybakina | 6-0 6-7 7-6 |
| 2022-03-07 | Indian Wells | QF | hard | Maria Sakkari | 7-5 6-4 |
| 2020-02-10 | St. Petersburg | SF | hard | Elena Rybakina | 3-6 7-5 6-1 |
Averages over each player's completed matches in the selected window (180 vs 124). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Rybakina E.: 3 days rest · 4 matches, 67 games (7d) · Sakkari M.: 6 days rest · 1 match, 24 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About