
Katerina Siniakova defeated Coco Gauff 7-6 6-1 in the CZE vs USA round robin on hard. The upset overturned the form book — Coco Gauff came in ranked #4, leading the head-to-head 5–1. Katerina Siniakova narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-02-12 | Doha | R32 | hard | Katerina Siniakova | 6-2 6-4 |
| 2023-06-19 | Berlin | R32 | grass | Coco Gauff | 6-3 6-4 |
| 2023-01-16 | Australian Open | R128 | hard | Coco Gauff | 6-1 6-4 |
| 2022-01-10 | Adelaide 2 | R32 | hard | Coco Gauff | 6-1 6-2 |
| 2021-05-17 | Parma | SF | clay | Coco Gauff | 7-5 1-6 6-2 |
| 2020-10-19 | Ostrava | R32 | hard | Coco Gauff | 7-5 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
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