Round: 26 Ground: Hardcourt outdoor
| Challenger Toyota MD | 2016/11/14 03:55 | Katayama/Onozawa v Kwon/Lim | 6-4,2-6,5-10 |
| ITF Korea F7 MD | 2016/08/31 07:35 | Katayama/Onozawa v Lim/Seol | 3-6,6-2,10-12 |
| ITF Japan F7 MD | 2016/06/09 05:40 | Kibi/Niki v Katayama/Onozawa | 6-4,6-7,10-8 |
| ITF Japan F6 MD | 2016/06/02 03:00 | Katayama/Onozawa v Han/Uesugi | 6-1,6-7,9-11 |
| ITF Japan F6 MD | 2016/06/01 04:20 | Katayama/Onozawa v Kato/Yoshida | 6-3,6-2 |
| ITF Japan F5 MD | 2015/06/04 05:05 | Katayama/Onozawa v Nagao/Oku | 6-3,7-6 |