Riko Sawayanagi defeated Mariia Tkacheva 6-2 5-7 6-1 in the W15 Cairo 1 quarter-final on clay. The result followed the form book — Riko Sawayanagi came in leading the head-to-head 1–0. Riko Sawayanagi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-01-13 | W15 Cairo 2 | R16 | clay | Riko Sawayanagi | 1-6 7-5 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.