| ITF Vietnam F5 MD | 09/21 06:55 | 27 | Ito Y / Ouyang B v Onozawa A / Sano K | 6-0,5-7,10-8 | |
| ITF Vietnam F5 MD | 09/19 03:00 | 26 | Gengel M / Motl P v Onozawa A / Sano K | 2-6,7-6,6-10 | |
| ITF Vietnam F4 MD | 09/12 08:35 | 26 | Onozawa A / Sano K v Yusuke Takahashi / Renta Tokuda | 3-6,6-7 | |
| ITF Japan F5 MD | 04/05 09:50 | 26 | Onozawa A / Sano K v Onoda K / Shiga M | 6-2,6-7,10-12 |