Andrian Raturandang defeated Takahiro Terachi 1-6 6-2 6-1 in the China F2 round of 16 on hard. The upset overturned the form book — Takahiro Terachi came in leading the head-to-head 2–0. Andrian Raturandang claimed a first win over Takahiro Terachi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-12 | Japan F3 | R32 | hard | Takahiro Terachi | 6-1 6-4 |
| 1998-05-04 | China F1 | QF | hard | Takahiro Terachi | 6-2 3-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.