Haruka Kaji defeated Yeon Woo Ku 6-4 7-6 in the W100 Tokyo round of 32 on hard. Haruka Kaji extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-30 | W35 Roehampton 1 | R32 | hard | Yeon Woo Ku | 6-3 6-2 |
| 2024-05-30 | W35 Changwon 1 | R16 | hard | Haruka Kaji | 2-6 6-3 6-3 |
Averages over each player's completed matches in the selected window (31 vs 24). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About