Ons Jabeur defeated Katerina Siniakova 6-2 6-3 in the Dubai round of 64 on hard. The upset overturned the form book — Katerina Siniakova came in ranked #44, leading the head-to-head 4–2, defending last year's round of 16. Ons Jabeur narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-03-18 | Miami | R64 | hard | Ons Jabeur | 6-4 7-6 |
| 2020-02-24 | Doha | R64 | hard | Ons Jabeur | 6-3 6-2 |
| 2018-07-02 | Wimbledon | R64 | grass | Katerina Siniakova | 5-7 6-4 9-7 |
| 2018-01-01 | Shenzhen | R32 | hard | Katerina Siniakova | 6-1 6-1 |
| 2014-10-27 | Nantes 50K | F | hard | Katerina Siniakova | 7-5 6-2 |
| 2014-03-24 | Croissy Beaubourg 50K | QF | hard | Katerina Siniakova | 6-4 7-6(3) |
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
Siniakova K.: 1 day rest · 2 matches, 43 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