| ITF - M15 Monastir | 08/11 07:30 | 25 | Dan Added v Tomohiro Masabayashi | 6-2,6-2 | |
| ITF - M15 Monastir | 08/10 07:30 | 62 | Chak L C Wong v Tomohiro Masabayashi | 5-7,4-6 | |
| ITF - M15 Monastir | 08/09 08:30 | 62 | Tomohiro Masabayashi v Kalman Boyd | Retired | |
| ITF - M15 Cairo | 08/01 12:30 | 62 | Samuele Pieri v Tomohiro Masabayashi | 6-2,6-0 | |
| ITF - M15 Cairo | 07/26 09:00 | 62 | Marlon Vankan v Tomohiro Masabayashi | 6-4,6-2 | |
| ITF - M15 Cairo | 07/25 07:00 | 62 | Tomohiro Masabayashi v Syed Mohd Agil Syed Naguib | 6-4,6-0 | |
| ITF - M15 Nonthaburi | 11/25 02:30 | 44 | Florent Bax v Tomohiro Masabayashi | 6-3,2-6,10-4 | |
| ITF - M15 Nonthaburi | 11/24 03:50 | 44 | Tomohiro Masabayashi v Michael Mathayomchand | 6-2,6-0 | |
| ITF - M15 Nanchang | 09/30 02:00 | 44 | Tomohiro Masabayashi v Changli Zhang | 4-6,7-5,5-10 | |
| ITF - M15 Nanchang | 09/29 04:00 | 44 | Tomohiro Masabayashi v Chen Chang | 6-3,6-3 | |
| ITF - M15 Nanchang | 09/23 07:15 | 44 | Anirudh Chandrasekar v Tomohiro Masabayashi | 6-1,7-6 | |
| ITF - M15 Nanchang | 09/23 02:00 | 44 | Faisal Qamar v Tomohiro Masabayashi | 3-6,2-6 | |
| ITF - M15 Nanchang | 09/22 02:00 | 44 | Da Cheng Yuan v Tomohiro Masabayashi | 0-6,0-6 | |
| ITF - M15 Akishima | 06/12 01:00 | 25 | Tomohiro Masabayashi v Yuta Kikuchi | 3-6,5-7 | |
| ITF - M15 Guame | 06/04 01:55 | 25 | Sho Katayama v Tomohiro Masabayashi | 6-4,7-6 | |
| ITF - M15 Karuizawa | 05/28 02:30 | 25 | Tomohiro Masabayashi v Soichiro Moritani | 3-6,3-6 | |
| ITF - M25 Matsuyama | 04/12 03:00 | 26 | Wishaya Trongcharoenchaikul v Tomohiro Masabayashi | 7-5,6-2 | |
| ITF - M25 Matsuyama | 04/10 05:25 | 25 | Taketo Takamisawa v Tomohiro Masabayashi | 3-6,3-6 | |
| ITF - M25 Matsuyama | 04/09 01:00 | 54 | Kazuma Kawachi v Tomohiro Masabayashi | 5-7,6-4,3-10 | |
| ITF - M25 Matsuyama | 04/08 06:00 | 54 | Hayato Kudo v Tomohiro Masabayashi | 1-6,2-6 | |
| ITF - M15 Tsukuba | 03/25 04:45 | 45 | Bart Stevens v Tomohiro Masabayashi | 6-7,6-3,10-3 | |
| ITF - M15 Tsukuba | 03/25 01:00 | 45 | Takuya Kumasaka v Tomohiro Masabayashi | 3-6,4-6 | |
| ITF M15 Kofu | 03/20 02:25 | 25 | Naoki Tajima v Tomohiro Masabayashi | 4-6,6-1,6-2 | |
| ITF M15 Kofu | 03/18 05:30 | 45 | Tomohiro Masabayashi v Wei-De Lin | 6-1,6-2 | |
| ITF M15 Kofu | 03/18 00:30 | 45 | Daniil Zarichanskiy v Tomohiro Masabayashi | 1-6,3-6 | |
| ITF M15 Nishi-Tama | 03/08 04:10 | 27 | Shintaro Imai v Tomohiro Masabayashi | 6-3,6-2 | |
| ITF M15 Nishi-Tama | 03/08 01:00 | 26 | Taisei Ichikawa v Tomohiro Masabayashi | 6-4,1-6,2-6 | |
| ITF M15 Nishi-Tama | 03/06 02:55 | 25 | Kento Takeuchi v Tomohiro Masabayashi | 3-6,6-1,0-6 | |
| ITF M15 Nishi-Tama | 03/05 03:00 | 45 | Tomohiro Masabayashi v Yuichiro Inui | 6-2,6-1 | |
| ITF M15 Nishi-Tama | 03/05 01:00 | 45 | Li-Wei Tan v Tomohiro Masabayashi | 3-6,1-6 |