Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Matsuyama | 2019/04/12 03:00 | Wishaya Trongcharoenchaikul v Tomohiro Masabayashi | 7-5,6-2 |
| ITF M25 Matsuyama | 2019/04/10 05:25 | Taketo Takamisawa v Tomohiro Masabayashi | 3-6,3-6 |
| ITF M25 Matsuyama | 2019/04/09 01:00 | Kazuma Kawachi v Tomohiro Masabayashi | 5-7,6-4,3-10 |
| ITF M25 Matsuyama | 2019/04/08 06:00 | Hayato Kudo v Tomohiro Masabayashi | 1-6,2-6 |
| ITF M15 Tsukuba | 2019/03/25 04:45 | Bart Stevens v Tomohiro Masabayashi | 6-7,6-3,10-3 |
| ITF M15 Tsukuba | 2019/03/25 01:00 | Takuya Kumasaka v Tomohiro Masabayashi | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/20 02:25 | Naoki Tajima v Tomohiro Masabayashi | 4-6,6-1,6-2 |
| ITF M15 Kofu | 2019/03/18 05:30 | Tomohiro Masabayashi v Wei-De Lin | 6-1,6-2 |
| ITF M15 Nishi-Tama | 2019/03/06 01:00 | Soichiro Moritani v Keisuke Saitoh | 2-6,0-6 |
| ITF M15 Anning | 2019/01/11 05:10 | Soichiro Moritani v Shao-Fan Liu | 7-5,3-6,3-6 |
| ITF M15 Anning | 2019/01/10 03:45 | Soichiro Moritani v Kento Takeuchi | 2-6,6-3,7-5 |
| ITF M15 Anning | 2019/01/09 07:30 | Sora Fukuda v Soichiro Moritani | 3-6,2-6 |
| ITF M15 Anning | 2019/01/01 03:30 | Nitin Kumar Sinha v Soichiro Moritani | 6-1,6-7,6-3 |
| Challenger Kobe | 2018/11/10 05:30 | Soichiro Moritani v Tung-Lin Wu | 2-6,6-4,3-6 |
| ITF Thailand F6 | 2018/10/09 02:30 | Matic Spec v Soichiro Moritani | 6-1,5-7,6-3 |
| ITF Thailand F5 | 2018/10/03 05:30 | Soichiro Moritani v Kento Takeuchi | 4-6,5-7 |