Seiko Okamoto defeated Antonia Matic 4-6 6-2 6-4 in the Vancouver qualifying round on hard. Seiko Okamoto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-15 | Nuriootpa 25K | R32 | hard | Seiko Okamoto | 7-5 3-6 6-3 |
| 2003-12-01 | Changsha 50K | R32 | hard | Antonia Matic | 0-6 6-2 6-3 |