Natsumi Kawaguchi defeated Mihaela Djakovic 3-6 6-4 6-2 in the W15 Monastir 40 round of 32 on hard. The result followed the form book — Natsumi Kawaguchi came in leading the head-to-head 1–0. Natsumi Kawaguchi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-10-15 | W15 Monastir 39 | QF | hard | Natsumi Kawaguchi | 5-7 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.