Sonchat Ratiwatana defeated Jong Sam Chung 7-6 6-0 in the China 1 1 round of 32 on hard. The upset overturned the form book — Jong Sam Chung came in leading the head-to-head 1–0. Sonchat Ratiwatana claimed a first win over Jong Sam Chung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-04 | Korea Rep F2 | R32 | clay | Jong Sam Chung | 3-6 6-2 6-3 |