Round: 62 Ground: Hardcourt outdoor
| ITF Egypt F19 | 2017/07/02 15:00 | Daiki Kato v Davide Albertoni | 6-7,3-6 |
| ITF Guam F1 | 2017/06/18 00:00 | Steven Goh v Daiki Kato | 6-4,6-2 |
| ITF Turkey F20 | 2017/05/20 07:00 | Daiki Kato v Tolunay Sumer | 2-6,1-6 |
| ITF Turkey F18 | 2017/05/07 07:00 | Victor Nunez v Daiki Kato | 6-0,6-3 |
| ITF Turkey F18 | 2017/05/06 06:30 | Daiki Kato v Leonid Mazo | 6-1,3-6,6-3 |
| ITF Egypt F12 | 2017/04/01 08:00 | Daiki Kato v Mateusz Smolicki | 7-6,5-7,2-6 |
| ITF Egypt F20 | 2017/03/26 10:30 | Riccardo Maiga v Daiki Kato | 6-1,6-1 |
| ITF Egypt F20 | 2017/03/25 13:30 | Pietro Miki v Daiki Kato | 2-6,2-6 |
| ITF Egypt F19 | 2017/07/02 17:30 | Mattia Rossi v Yuichiro Inui | 4-6,6-4,7-6 |
| ITF Japan F8 | 2017/06/11 00:00 | Yuichiro Inui v Yohei Ono | 6-7,2-6 |
| ITF Japan F8 | 2017/06/10 00:00 | Naru Shirafuji v Yuichiro Inui | 2-6,3-6 |
| ITF Japan F7 | 2017/06/03 01:00 | Yuichiro Inui v Haru Inoue | 4-6,2-6 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Yuichiro Inui v Daisuke Sumizawa | 2-6,3-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Yuichiro Inui v Naoki Tajima | 4-6,0-6 |
| ITF Japan F4 | 2017/03/25 03:00 | Aoran Wang v Yuichiro Inui | 6-4,6-2 |
| ITF Australia F3 Qual | 2017/03/18 03:00 | Scott Puodziunas v Yuichiro Inui | 6-2,6-7,6-3 |