
Iga Swiatek defeated Elena Rybakina 7-6 6-4 in the United Cup semi-final on hard. The upset overturned the form book — Elena Rybakina came in ranked #2, defending last year's semi-final, but Iga Swiatek had been the form player, winning 8 of their last 8 on hard. Iga Swiatek extended the head-to-head to 8–7.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-13 | Toronto | F | hard | Iga Swiatek | 6-2 6-3 |
| 2026-01-19 | Australian Open | QF | hard | Elena Rybakina | 7-5 6-1 |
| 2025-11-03 | WTA Finals | RR | hard | Elena Rybakina | 3-6 6-1 6-0 |
| 2025-11-01 | Riyadh Finals | RR | hard | Elena Rybakina | 3-6 6-1 6-0 |
| 2025-08-07 | Cincinnati | SF | hard | Iga Swiatek | 7-5 6-3 |
| 2025-05-26 | Roland Garros | R16 | clay | Iga Swiatek | 1-6 6-3 7-5 |
| 2025-02-09 | Doha | QF | hard | Iga Swiatek | 6-2 7-5 |
| 2024-12-27 | United Cup | SF | hard | Iga Swiatek | 7-6 6-4 |
| 2024-04-15 | Stuttgart | SF | clay | Elena Rybakina | 6-3 4-6 6-3 |
| 2024-02-12 | Doha | F | hard | Iga Swiatek | 7-6 6-2 |
| 2023-05-08 | Rome | QF | clay | Elena Rybakina | 2-6 7-6 2-2 |
| 2023-03-06 | Indian Wells | SF | hard | Elena Rybakina | 6-2 6-2 |
| 2023-01-16 | Australian Open | R16 | hard | Elena Rybakina | 6-4 6-4 |
| 2021-09-20 | Ostrava | QF | hard | Iga Swiatek | 7-6 6-2 |
Averages over each player's completed matches in the selected window (119 vs 119). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Swiatek I.: 1 day rest · 4 matches, 81 games (7d) · Rybakina E.: 1 day rest · 5 matches, 120 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