Jia Ping Xia defeated Bjorn Jacob 7-6 6-1 in the Thailand Masters 4 qualifying round on hard. The upset overturned the form book — Bjorn Jacob came in leading the head-to-head 1–0. Jia Ping Xia claimed a first win over Bjorn Jacob in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1994-03-27 | Malaysia 1 Masters 4 | R32 | hard | Bjorn Jacob | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.