Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2020/02/20 09:40 | Issei Okamura v Jacopo Berrettini | 1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/19 15:40 | Issei Okamura v Piotr Grynkowski | 6-3,7-5 |
| Nonthaburi, Singles M-ITF-THA-01A | 2020/01/26 07:50 | Issei Okamura v Kovapitukted, Palaphoom | 4-6,1-6 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/08 06:50 | El Midhawy, Adam v Issei Okamura | 4-6,6-2,6-3 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/07 02:00 | Issei Okamura v Kaewsuto, Chayanon | 6-0,6-0 |
| Hong Kong, Simples M-ITF-HKG-01A | 2020/01/06 02:00 | Issei Okamura v Geiwald, Douglas | 6-2,6-1 |
| ITF M15 Cancun | 2019/11/15 19:35 | Issei Okamura v Mariano Kestelboim | 4-6,1-6 |
| ITF M15 Cancun | 2019/11/05 16:35 | Mateus Alves v Issei Okamura | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/02/18 08:00 | Mzai, Ismael Changawa Ruwa v Oleksandr Ovcharenko | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/17 08:00 | Shumeiko, Pavel v Mzai, Ismael Changawa Ruwa | 4-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2020/02/09 12:00 | Ovcharov, Alexander v Mzai, Ismael Changawa Ruwa | 6-1,6-2 |
| Coupe Davis | 2019/09/14 09:10 | Mata, Franco v Mzai, Ismael Changawa Ruwa | 1-6,1-6 |
| Coupe Davis | 2019/09/12 10:00 | Mzai, Ismael Changawa Ruwa v Nazim Makhlouf | 6-4,7-5 |
| Coupe Davis | 2019/09/11 09:10 | Mzai, Ismael Changawa Ruwa v Rakotohasy, Jean-Jacques | 6-1,2-6,7-6 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/07/31 09:00 | Mzai, Ismael Changawa Ruwa v Dijkhuizen, Marc | 3-6,6-3,3-6 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/07/29 13:00 | Mazon-Hernandez, Rafael v Mzai, Ismael Changawa Ruwa | 4-6,6-3,11-13 |