Stadium: Court 1 Round: 46 Ground: Hardcourt outdoor
| ITF USA F33 | 2017/10/11 15:00 | Naoki Nakagawa v Alexei Popyrin | 6-2,6-7,6-7 |
| Challenger Stockton Qual | 2017/09/30 19:35 | Ruan Roelofse v Naoki Nakagawa | 6-7,6-2,6-1 |
| ITF USA F32 | 2017/09/27 17:00 | Karue Sell v Naoki Nakagawa | 6-3,7-5 |
| ITF USA F31 | 2017/09/20 19:10 | Ronnie Schneider v Naoki Nakagawa | 6-2,6-3 |
| ITF Canada F5 | 2017/08/30 18:20 | Naoki Nakagawa v Jacob Dunbar | 4-6,2-6 |
| ITF Canada F5 | 2017/08/28 16:30 | Naoki Nakagawa v Deiton Baughman | 7-6,6-3 |
| Challenger Santo Domingo Qual | 2017/08/13 15:00 | Carlos Boluda-Purkiss v Naoki Nakagawa | 6-4,6-0 |
| Challenger Santo Domingo Qual | 2017/08/12 15:00 | Jasel Beltre v Naoki Nakagawa | 3-6,3-6 |
| Challenger Ningbo Qual | 2017/10/14 02:00 | Jurij Rodionov v Riccardo Ghedin | 6-3,6-3 |
| Challenger Rome 2 Qual | 2017/09/24 08:30 | Riccardo Ghedin v Davide Galoppini | 7-6,5-7,2-6 |
| Challenger Rome 2 Qual | 2017/09/23 09:30 | Axel Michon v Riccardo Ghedin | 6-7,3-6 |
| Challenger Istanbul Qual | 2017/09/09 07:00 | Kevin Griekspoor v Riccardo Ghedin | 6-7,6-4,6-3 |
| ITF Italy F27 | 2017/08/31 15:30 | Oliver Golding v Riccardo Ghedin | 6-4,7-6 |
| ITF Italy F27 | 2017/08/30 13:00 | Riccardo Ghedin v Davide Pontoglio | 3-6,6-3,6-4 |
| ITF Italy F27 | 2017/08/28 19:00 | Riccardo Ghedin v Fran Zvonimir Zgombic | 6-4,5-7,6-3 |
| Challenger Cortina Qual | 2017/07/22 10:30 | Miljan Zekic v Riccardo Ghedin | 6-3,7-5 |