Stadium: Court G Round: 26 Ground: Hardcourt indoor
| ITF Japan F5 MD | 2018/04/06 06:10 | Tokuda/Yamasaki v Hazawa/Shimizu | 3-6,6-4,10-7 |
| ITF Japan F5 MD | 2018/04/05 07:10 | Imai/Moritani v Hazawa/Shimizu | 3-6,2-6 |
| ITF Japan F5 MD | 2018/04/04 07:15 | Hazawa/Shimizu v Kibi/Niki | 6-7,7-6,10-4 |
| 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 |
| Challenger Las Vegas MD | 2018/10/21 23:00 | Johnson/Kawka v Echargui/Sels | 6-3,6-3 |