Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF Japan F2 | 2018/03/12 00:30 | Tamaki Yamao v Tomohiro Masabayashi | 6-3,4-6,6-1 |
| ITF Japan F2 | 2018/03/11 00:30 | Tomohiro Masabayashi v Furuta, Ibuki | 6-3,4-6,6-2 |
| ITF Japan F2 | 2018/03/10 02:30 | Tomohiro Masabayashi v Azuma, Ryuhei | 6-4,6-3 |
| ITF Japan F1 | 2018/03/04 01:00 | Tomohiro Masabayashi v Masaya Kobayashi | 1-6,6-3,5-7 |
| ITF Hong Kong F6 | 2017/12/30 03:00 | Kai, Wai Yu v Tomohiro Masabayashi | 3-6,6-3,6-3 |
| ITF Hong Kong F2 Qual | 2017/06/25 03:00 | Hovhannisyan, Mousheg v Tomohiro Masabayashi | 6-2,6-4 |
| ITF Hong Kong F2 Qual | 2017/06/24 03:00 | Rynsaardt, Patrick v Tomohiro Masabayashi | 1-6,0-6 |
| ITF Hong Kong F1 | 2017/06/21 07:00 | Alcantara, Francis Casey v Tomohiro Masabayashi | 6-4,6-4 |
| ITF Japan F2 | 2018/03/13 00:30 | Issei Okamura v Kawakami, Rimpei | 6-2,6-4 |
| ITF Turkey F4 | 2018/01/29 08:00 | Melnic, Vladislav v Kawakami, Rimpei | 7-5,6-3 |
| ITF Turkey F3 | 2018/01/23 11:30 | Zgombic, Fran Zvonimir v Kawakami, Rimpei | 6-4,6-1 |
| ITF Turkey F3 | 2018/01/22 10:00 | Kawakami, Rimpei v Alekseenko, Vadim | 6-2,6-1 |
| ITF Turkey F3 | 2018/01/20 07:00 | Solomatin, Igor v Kawakami, Rimpei | 0-6,1-6 |
| ITF Turkey F2 | 2018/01/15 07:00 | Kawakami, Rimpei v Manda, Calin | 6-7,6-2,1-6 |
| ITF Turkey F1 | 2018/01/07 10:00 | Matteo Martineau v Kawakami, Rimpei | 6-1,6-1 |
| ITF Turkey F1 | 2018/01/06 08:00 | Evloev, T. v Kawakami, Rimpei | 0-6,3-6 |