| Matsuyama, Doubles M-ITF-JPN-06A | 04/11 07:10 | 28 | Hazawa S / Tajima N v Okamura I / Sekiguchi S | 3-6,7-6,10-4 | |
| Matsuyama, Doubles M-ITF-JPN-06A | 04/11 04:30 | 27 | Kono Y / Sakai Y v Okamura I / Sekiguchi S | 7-6,5-7,8-10 | |
| Matsuyama, Doubles M-ITF-JPN-06A | 04/09 07:55 | 26 | Otsuka K / Yudate Y v Okamura I / Sekiguchi S | 2-6,3-6 | |
| ITF Japan F2 MD | 03/13 05:15 | 26 | Okamura I / Sekiguchi S v Seol J-M / Song M-K | 4-6,6-7 |