Yong Il Yoon defeated Vadim Kutsenko 7-6 6-3 in the Indonesia F4 qualifying round on hard. The upset overturned the form book — Vadim Kutsenko came in leading the head-to-head 1–0. Yong Il Yoon claimed a first win over Vadim Kutsenko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-03 | Davis Cup G1 SF: KOR vs UZB | RR | clay | Vadim Kutsenko | 4-6 6-4 6-4 6-2 |
Averages over each player's completed matches in the selected window (7 vs 11). 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