Round: 44 Ground: Hardcourt outdoor
| ITF Guam F1 | 2017/06/22 05:05 | Luca Castelnuovo v Takao Suzuki | 3-6,2-6 |
| ITF Guam F1 | 2017/06/20 07:15 | Luca Castelnuovo v Masaki Sasai | 6-4,4-6,6-3 |
| ITF Japan F8 | 2017/06/12 00:00 | Luca Castelnuovo v Yuto Sakai | 7-6,4-6,6-7 |
| ITF Japan F8 | 2017/06/10 05:00 | Luca Castelnuovo v Naoya Maesaki | 6-3,6-4 |
| ITF Japan F7 | 2017/06/04 01:00 | Rio Noguchi v Luca Castelnuovo | 6-1,6-1 |
| ITF Japan F7 | 2017/06/03 01:00 | Daisuke Sumizawa v Luca Castelnuovo | 3-6,3-6 |
| ITF Japan F6 | 2017/05/30 02:20 | Masaya Kobayashi v Luca Castelnuovo | 6-4,7-6 |
| ITF Japan F6 Qual | 2017/05/29 01:00 | Luca Castelnuovo v Kento Tagashira | 7-5,6-1 |
| ITF Georgia F2 | 2017/07/09 05:00 | Shunsuke Wakita v Shinnosuke Hiramatsu | 6-4,7-6 |
| ITF Georgia F1 | 2017/07/02 06:00 | Vazha Shubladze v Shinnosuke Hiramatsu | 7-6,6-1 |
| ITF Hungary F5 Qual | 2017/06/19 08:00 | Manuel Pena Lopez v Shinnosuke Hiramatsu | 6-2,6-1 |
| ITF Hungary F5 Qual | 2017/06/17 08:00 | Shinnosuke Hiramatsu v Jan Zednik | 7-5,6-3 |
| ITF Romania F3 | 2017/06/11 10:00 | Goran Markovic v Shinnosuke Hiramatsu | 6-4,6-2 |
| ITF Romania F3 | 2017/06/10 07:00 | Dimitri Morogiannis v Shinnosuke Hiramatsu | 3-6,1-6 |
| ITF Bosnia and Herzegovina F2 Qual | 2017/05/27 09:30 | Shinnosuke Hiramatsu v Antun Vidak | 3-6,2-6 |
| ITF Bosnia and Herzegovina F1 | 2017/05/23 11:10 | Shinnosuke Hiramatsu v Elmar Ejupovic | 3-6,1-6 |