
Jessica Pegula defeated Elena Rybakina 2-6 6-3 7-6 in the Guadalajara 2 round of 32 on hard. The upset overturned the form book — Elena Rybakina came in ranked #2, leading the head-to-head 7–2. Jessica Pegula narrowed the head-to-head to 7–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-03-25 | Miami | QF | hard | Elena Rybakina | 2-6 6-3 6-4 |
| 2026-03-04 | Indian Wells | QF | hard | Elena Rybakina | 6-1 7-6 |
| 2026-01-19 | Australian Open | SF | hard | Elena Rybakina | 6-3 7-6 |
| 2025-11-07 | WTA Finals | SF | hard | Elena Rybakina | 4-6 6-4 6-3 |
| 2025-11-01 | Riyadh Finals | SF | hard | Elena Rybakina | 4-6 6-4 6-3 |
| 2025-09-19 | BJK Cup Finals | RR | hard | Elena Rybakina | 6-4 6-1 |
| 2023-10-30 | Cancun Finals | RR | hard | Jessica Pegula | 7-5 6-2 |
| 2023-03-20 | Miami | SF | hard | Elena Rybakina | 7-6 6-4 |
| 2022-03-21 | Miami | R32 | hard | Jessica Pegula | 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Pegula J.: 1 day rest · 3 matches, 67 games (7d) · Rybakina E.: 1 day rest · 5 matches, 107 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