| ITF Vietnam F1 MD | 05/01 05:30 | 26 | Barki J / Moritani S v Nishiwaki K / Sumizawa D | 6-3,6-4 | |
| ITF Guam F1 MD | 06/22 06:00 | 27 | Sasai M / Takeshima S v Nishiwaki K / Sumizawa D | Walkover | |
| ITF Guam F1 MD | 06/21 02:30 | 26 | Nishiwaki K / Sumizawa D v Hunt A / Lagman J | 7-6,7-5 |