Stadium: Stadium Round: 24 Ground: Hardcourt outdoor
| ITF M15 Daegu | 2019/06/05 03:55 | Seita Watanabe v Issei Okamura | 6-4,7-6 |
| ITF M25 Luzhou | 2019/05/30 04:05 | Weiqiang Zheng v Issei Okamura | 2-6,6-2,6-0 |
| ITF M25 Luzhou | 2019/05/29 02:00 | Yu Hsiang Chiu v Issei Okamura | 4-6,1-6 |
| ITF M25 Luan | 2019/05/16 05:05 | Yu Hsiou Hsu v Issei Okamura | 6-3,7-5 |
| ITF M25 Luan | 2019/05/14 05:15 | Hiroyasu Ehara v Issei Okamura | 4-6,2-6 |
| ITF M25 Wuhan | 2019/05/07 04:00 | Issei Okamura v Tsung-Hao Huang | 3-6,6-1,8-10 |
| ITF M25 Wuhan | 2019/05/06 02:00 | Issei Okamura v Bingyu Yu | 6-1,6-2 |
| ITF M25 Matsuyama | 2019/04/12 02:25 | Issei Okamura v Shuichi Sekiguchi | 1-6,0-6 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Justin Boulais v A.J Catanzariti | 2-6,6-4,4-6 |
| ITF M15 Orlando | 2019/06/19 19:05 | Justin Boulais v Ricardo Rodriguez-Pace | 4-6,5-7 |
| Challenger Columbus | 2019/06/10 18:55 | Alexis Galarneau v Justin Boulais | 6-7,6-4,6-0 |
| ITF M15 Antalya | 2019/04/03 08:50 | Justin Boulais v Alen Avidzba | 6-7,1-6 |
| ITF M15 Antalya | 2019/03/27 07:00 | Justin Boulais v Grigoriy Lomakin | 6-7,1-6 |
| ITF M15 Antalya | 2019/03/26 07:00 | Yan Sabanin v Justin Boulais | 6-3,6-1 |
| ITF M15 Antalya | 2019/03/25 07:00 | Mustafa Erdogan v Justin Boulais | 2-6,1-6 |
| Challenger Drummondville | 2019/03/11 13:00 | Manuel Guinard v Justin Boulais | 7-6,6-1 |