Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/11/05 16:35 | Mateus Alves v Issei Okamura | 6-3,6-2 |
| ITF M15 Changwon | 2019/10/15 03:10 | Kim, Cheong-Eui v Issei Okamura | 6-4,4-6,6-4 |
| Toowoomba, Simples M-ITF-AUS-08A | 2019/10/08 01:50 | Issei Okamura v Tristan Schoolkate | 3-6,6-2,4-6 |
| Brisbane, Simples M-ITF-AUS-07A | 2019/10/01 03:40 | Issei Okamura v Tomas Barrios Vera | 4-6,4-6 |
| ITF M25 Darwin | 2019/09/25 00:30 | Yu Hsiou Hsu v Issei Okamura | 6-0,7-5 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/04 07:20 | Issei Okamura v Mousley, Bradley | 4-6,5-7 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/03 08:50 | Issei Okamura v Park, Uisung | 6-3,6-4 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/02 04:40 | Issei Okamura v Bingyu Yu | 6-1,6-2 |
| ITF - M25 Naples | 2019/11/01 17:45 | Adrian Andreev v Mariano Kestelboim | 6-3,7-6 |
| ITF - M25 Naples | 2019/10/31 17:00 | Santiago Rodriguez Taverna v Mariano Kestelboim | 2-6,3-6 |
| ITF - M25 Naples | 2019/10/30 15:55 | Cozbinov, Alexander v Mariano Kestelboim | 6-4,2-6,4-6 |
| ITF M15 Cancun | 2019/10/26 14:15 | Rodriguez, Cristian v Mariano Kestelboim | 6-3,7-6 |
| ITF M15 Cancun | 2019/10/25 14:15 | Hank, Tigre v Mariano Kestelboim | 6-4,1-6,2-6 |
| ITF M15 Cancun | 2019/10/24 14:00 | Mercier, Tyler v Mariano Kestelboim | 0-6,6-7 |
| ITF M15 Cancun | 2019/10/23 17:00 | Bybel, Nicholas v Mariano Kestelboim | 7-5,2-6,0-6 |
| ITF M15 Cancun | 2019/10/19 14:15 | Hank, Tigre v Mariano Kestelboim | 7-5,2-6,6-4 |