Ji Sung Nam defeated Rio Noguchi 6-3 6-1 in the Vietnam F3 round of 16 on hard. The upset overturned the form book — Rio Noguchi came in ranked #213, leading the head-to-head 1–0. Ji Sung Nam claimed a first win over Rio Noguchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-05-07 | Vietnam F2 | F | hard | Rio Noguchi | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window (160 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Noguchi R.: 4 days rest · 2 matches, 52 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About