Stadium: Court 1 - HEB Round: 62 Ground: Hardcourt outdoor
| ITF USA F27 | 2018/10/10 17:20 | Naoki Nakagawa v Sebastian Korda | 3-6,2-6 |
| Challenger Gimcheon Qual | 2018/05/06 06:20 | Naoki Nakagawa v Luke Saville | 4-6,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 03:10 | Naoki Nakagawa v Blake Ellis | 6-3,6-3 |
| ITF Japan F6 | 2018/04/10 06:30 | Yuta Shimizu v Naoki Nakagawa | 5-7,6-3,7-6 |
| ITF Japan F4 | 2018/03/27 04:20 | Renta Tokuda v Naoki Nakagawa | 6-2,6-2 |
| ITF Japan F3 | 2018/03/20 06:00 | Tatsuma Ito v Naoki Nakagawa | 6-2,6-3 |
| ITF Japan F2 | 2018/03/16 03:10 | Tung-Lin Wu v Naoki Nakagawa | 6-3,4-6,6-2 |
| ITF Japan F2 | 2018/03/14 02:50 | Naoki Nakagawa v Yuta Shimizu | 4-6,6-3,6-2 |
| ITF USA F27 | 2018/10/06 15:00 | Alan Kohen v Ian O'Jon | 6-4,6-2 |
| ITF Belgium F3 Qual | 2018/07/01 08:00 | Guillaume Dermiens v Ian O'Jon | 6-2,6-2 |
| ITF Belgium F3 Qual | 2018/06/30 07:30 | Stefan Borms v Ian O'Jon | 2-6,1-6 |
| ITF Belgium F2 Qual | 2018/06/23 15:25 | Marcel Marlon Sudzum v Ian O'Jon | 6-2,6-4 |
| ITF Belgium F1 Qual | 2018/06/17 11:00 | Yann Marti v Ian O'Jon | 6-1,6-1 |
| ITF Belgium F1 Qual | 2018/06/16 12:00 | Ian O'Jon v Teodor Vigelle | 6-0,6-0 |
| ITF USA F7 | 2017/02/10 15:00 | Ian O'Jon v Jabor Mohammed Ali Mutawa | 4-6,0-6 |
| ITF USA F14 | 2016/04/17 17:00 | Ian O'Jon v Isaiah Strode | 1-6,1-6 |