Lauren Cooper defeated Lian Tran 6-4 7-6 in the W15 Johannesburg 1 round of 32 on hard. The upset overturned the form book — Lian Tran came in leading the head-to-head 1–0. Lauren Cooper claimed a first win over Lian Tran in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-03 | W15 Pretoria 1 | R16 | hard | Lian Tran | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.