Annika Kannan defeated Warona Mdlulwa 6-4 6-1 in the W15 Madrid 2 q64 on clay. The upset overturned the form book — Warona Mdlulwa came in leading the head-to-head 1–0. Annika Kannan claimed a first win over Warona Mdlulwa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-23 | W15 Santa Margarita de Montbui 1 | Q64 | hard | Warona Mdlulwa | 7-6(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.