
Heather Watson defeated Sloane Stephens 6-3 6-1 in the Hobart round of 16 on hard. The upset overturned the form book — Sloane Stephens came in ranked #315, leading the head-to-head 4–2. Heather Watson narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-02-27 | Austin | R16 | hard | Sloane Stephens | 6-4 6-4 |
| 2021-10-06 | Indian Wells | R128 | hard | Sloane Stephens | 6-7(5) 7-5 6-1 |
| 2016-03-21 | Miami | R64 | hard | Heather Watson | 6-3 6-0 |
| 2015-06-22 | Eastbourne | R16 | grass | Sloane Stephens | 6-2 6-3 |
| 2015-05-25 | Roland Garros | R64 | clay | Sloane Stephens | 6-2 6-4 |
| 2012-07-09 | Stanford | R32 | hard | Heather Watson | 7-6(5) 4-6 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (199 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About