Robin Montgomery defeated Catherine Harrison 6-4 7-6 in the W80 Rancho Santa Fe round of 32 on hard. The upset overturned the form book — Catherine Harrison came in leading the head-to-head 1–0. Robin Montgomery claimed a first win over Catherine Harrison in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-07-15 | W25 Evansville | R16 | hard | Catherine Harrison | 6-3 7-6(8) |
Averages over each player's completed matches in the selected window (111 vs 24). 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