Ons Jabeur defeated Heather Watson 6-1 4-6 6-4 in the Wuhan q16 on hard. The upset overturned the form book — Heather Watson came in ranked #475, defending last year's round of 64. Ons Jabeur extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-14 | Birmingham | SF | grass | Ons Jabeur | 6-3 6-3 |
| 2012-05-24 | Roland Garros | Q64 | clay | Heather Watson | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window (200 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About