Heather Watson defeated Zarina Diyas 6-2 6-0 in the W100 Tokyo 1 round of 32 on hard. Heather Watson narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | R128 | clay | Zarina Diyas | 6-4 7-5 |
| 2019-05-12 | W60 Fukuoka | F | carpet | Heather Watson | 7-6(1) 7-6(4) |
| 2018-09-29 | Beijing | Q16 | hard | Zarina Diyas | 6-0 6-3 |
Averages over each player's completed matches in the selected window (65 vs 87). 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