Remi Tezuka defeated Shiho Hisamatsu 6-2 3-6 6-3 in the Nonthaburi 25K qualifying round on hard. The upset overturned the form book — Shiho Hisamatsu came in leading the head-to-head 4–0. Remi Tezuka claimed a first win over Shiho Hisamatsu in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-13 | Mount Gambier 25K | R16 | hard | Shiho Hisamatsu | 4-6 6-1 6-3 |
| 2007-07-02 | Nagoya 25K | R32 | hard | Shiho Hisamatsu | 6-2 2-1 |
| 2006-02-12 | Bangalore | Q16 | hard | Shiho Hisamatsu | 6-1 6-3 |
| 2003-04-14 | Ho Chi Minh City 25K | QF | hard | Shiho Hisamatsu | 4-6 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.