Round: 25 Ground: Hardcourt outdoor
| ITF Indonesia F1 | 2017/02/09 07:50 | Shintaro Imai v Masaya Kobayashi | 4-6,6-2,7-6 |
| ITF Hong Kong F5 | 2017/12/24 03:00 | Soichiro Moritani v Masaya Kobayashi | 2-6,2-6 |
| ITF Hong Kong F5 | 2017/12/23 04:00 | Masaya Kobayashi v Alafia Ayeni | 6-4,6-7,6-3 |
| ITF Hong Kong F2 - Clasificación | 2017/06/25 02:00 | Masaya Kobayashi v Ki Lung NG | 7-6,6-3 |
| ITF Japón F7 | 2017/06/04 01:00 | Ibuki Furuta v Masaya Kobayashi | 4-6,7-6,6-1 |
| ITF Japón F7 | 2017/06/03 01:00 | Kousuke Ogura v Masaya Kobayashi | 1-6,4-6 |
| ITF Japón F6 | 2017/06/01 02:00 | Takuto Niki v Masaya Kobayashi | 6-2,6-3 |
| ITF Japón F6 | 2017/05/31 01:00 | Takuto Niki v Masaya Kobayashi | 6-2,6-3 |
| ITF Japón F6 | 2017/05/30 02:20 | Masaya Kobayashi v Luca Castelnuovo | 6-4,7-6 |
| ITF Hong Kong F4 | 2017/12/22 03:00 | Shintaro Imai v Daniel Altmaier | 4-6,2-6 |
| ITF Hong Kong F4 | 2017/12/21 02:00 | Shintaro Imai v Ti Chen | 6-3,6-4 |
| ITF Hong Kong F4 | 2017/12/20 02:00 | Shintaro Imai v Maxence Broville | 7-6,6-2 |
| ITF Hong Kong F4 | 2017/12/18 02:00 | Shintaro Imai v Jack Murray | 6-2,1-6,6-3 |
| ITF Tailandia F12 | 2017/12/13 03:00 | Shintaro Imai v Billy Harris | 6-7,2-6 |
| ITF Tailandia F12 | 2017/12/12 03:45 | Shintaro Imai v Roman Safiullin | 6-3,6-2 |
| ITF Indonesia F7 | 2017/11/24 06:30 | Shintaro Imai v Renta Tokuda | 1-6,1-6 |
| ITF Indonesia F7 | 2017/11/23 04:00 | Manish Sureshkumar v Shintaro Imai | 1-6,7-5,3-6 |