Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Tsukuba | 2019/03/27 02:25 | Jumpei Yamasaki v Masamichi Imamura | 6-1,4-6,6-4 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/21 05:20 | Sho Shimabukuro v Masamichi Imamura | 6-3,7-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/20 03:25 | Taisei Ichikawa v Masamichi Imamura | 6-7,4-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 04:30 | Masamichi Imamura v Kousuke Ogura | 2-6,6-4,10-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 00:30 | Masamichi Imamura v Ryuki Matsuda | 7-5,6-3 |
| Nishi-Tama, Simples M-ITF-JPN-01A | 2019/03/05 03:00 | Masamichi Imamura v Sho Shimabukuro | 5-7,5-7 |
| Nishi-Tama, Simples M-ITF-JPN-01A | 2019/03/05 01:00 | Quentin Folliot v Masamichi Imamura | 1-6,3-6 |
| Challenger Yokohama | 2019/02/26 02:20 | Soonwoo Kwon v Masamichi Imamura | 6-2,6-2 |
| ITF - M15 Kashiwa | 2019/04/01 06:00 | Mark Whitehouse v Takeuchi, Kento (1987) | 3-6,6-4,11-9 |
| ITF - M15 Kashiwa | 2019/04/01 00:00 | Mark Whitehouse v Zarichanskiy, D. | 6-1,6-0 |
| ITF - M15 Tsukuba | 2019/03/28 03:00 | Mark Whitehouse v Naoki Tajima | 4-6,6-4,3-6 |
| ITF - M15 Tsukuba | 2019/03/26 01:00 | Wattanakul, Pol v Mark Whitehouse | 2-6,0-6 |
| ITF M25 Glasgow | 2019/02/18 09:30 | Matteo Martineau v Mark Whitehouse | 6-2,6-0 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2019/02/12 14:25 | Mark Whitehouse v Hugo Grenier | 4-6,2-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2019/02/11 17:15 | Alexander Ritschard v Mark Whitehouse | 3-6,1-6 |
| Barnstaple, Singles Qualifying M-ITF-GBR-01A | 2019/02/11 13:45 | Gray, Jonathan v Mark Whitehouse | 5-7,6-7 |