Mary Closs defeated Lian Tran 6-3 1-6 10-8 in the W15 Cancun 5 q16 on hard. The result followed the form book — Mary Closs came in leading the head-to-head 1–0. Mary Closs extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-07-16 | W15 Cancun 16 | Q16 | hard | Mary Closs | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.