Mari Inoue defeated Czarina Mae Arevalo 2-6 7-6 6-4 in the Manila 10K round of 32 on hard. The upset overturned the form book — Czarina Mae Arevalo came in leading the head-to-head 1–0. Mari Inoue claimed a first win over Czarina Mae Arevalo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-03 | Manila 10K | R16 | clay | Czarina Mae Arevalo | 2-6 6-2 6-2 |