Yaoki Ishii defeated Danai Udomchoke 6-4 4-6 6-2 in the Uzbekistan F2 round of 32 on hard. The upset overturned the form book — Danai Udomchoke came in leading the head-to-head 1–0. Yaoki Ishii claimed a first win over Danai Udomchoke in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-11-08 | Thailand F2 | QF | hard | Danai Udomchoke | 6-3 6-2 |
Averages over each player's completed matches in the selected window (2 vs 89). 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. Small sample — read as indicative. About