Stadium: Court 1 Round: 27 Ground: Clay
| ITF Japan F5 MD | 2018/04/03 04:00 | Hazawa/Shimizu v Yuki Matsuo/Sumizawa | 4-6,6-3,10-5 |
| ITF Japan F1 MD | 2018/03/08 10:45 | Hazawa/Shimizu v Katayama/Moritani | 6-1,3-6,4-10 |
| ITF Japan F1 MD | 2018/03/06 06:00 | Nakagawa/Yamasaki v Hazawa/Shimizu | 2-6,6-7 |
| ITF China F1 MD | 2018/01/12 06:50 | Hazawa/Shimizu v Te/Wang | 5-7,6-7 |
| ITF China F1 MD | 2018/01/11 05:45 | Li/Tanuma v Hazawa/Shimizu | 4-6,3-6 |
| ITF China F1 MD | 2018/01/10 06:00 | Lu/Okamura v Hazawa/Shimizu | 6-4,3-6,5-10 |
| ITF China F1 MD | 2018/01/08 04:45 | Hazawa/Shimizu v Hu/Tang | 6-4,6-2 |
| Challenger - Kobe - HD | 2017/11/07 06:20 | Kibi/Onishi v Hazawa/Shimizu | 6-4,6-4 |
| ITF Japan F5 MD | 2018/04/03 07:50 | Ito/Uesugi v Kibi/Niki | 3-6,2-6 |
| Challenger - Burnie - HD | 2017/02/02 02:30 | Kibi/Niki v Bolt/Whittington | 6-3,6-7,3-10 |
| Challenger - Kobe - HD | 2016/11/09 06:40 | Kibi/Niki v Ratiwatana/Yi | 3-6,2-6 |
| ITF Japan F8 MD | 2016/06/17 05:30 | Nagao/Oku v Kibi/Niki | 6-3,6-3 |
| ITF Japan F8 MD | 2016/06/14 06:55 | Kibi/Niki v Kikuchi/Takeshima | 6-4,6-2 |
| ITF Japan F7 MD | 2016/06/10 05:00 | Moritani/Okamura v Kibi/Niki | 7-5,1-6,10-6 |
| ITF Japan F7 MD | 2016/06/09 05:40 | Kibi/Niki v Katayama/Onozawa | 6-4,6-7,10-8 |
| ITF Japan F7 MD | 2016/06/07 07:55 | Kibi/Niki v Noguchi/Sumizawa | 6-4,6-2 |