Stadium: Court 11 Round: 44 Ground: Hardcourt outdoor
| ITF M15 - Sintra | 2020/09/06 10:00 | Joao Lucas Reis da Silva v Maik Steiner | 6-2,7-6 |
| ITF M15 - Cancun | 2020/02/19 15:30 | Felipe M Sarrasague v Joao Lucas Reis da Silva | 7-5,6-3 |
| ITF M15 - Cancun | 2020/02/16 14:00 | Maximiliano Estevez v Joao Lucas Reis da Silva | 6-7,1-6 |
| ITF M15 - Cancun | 2020/02/15 14:00 | Gabriel Petit v Joao Lucas Reis da Silva | 6-7,4-6 |
| ITF M15 - Cancun | 2020/02/14 13:55 | Joao Lucas Reis da Silva v Connor Farren | 6-3,6-2 |
| ITF M15 - Cancun | 2020/02/13 17:20 | Joao Lucas Reis da Silva v Christian Langmo | 6-1,6-7,6-4 |
| ITF M15 - Cancun | 2020/02/11 17:15 | Joao Lucas Reis da Silva v Alejo Lorenzo Lingua Lavallen | 6-2,6-3 |
| ITF M15 - Cancun | 2020/02/04 13:55 | Joao Lucas Reis da Silva v Francisco Comesana | 5-7,2-6 |
| ITF M15 - Sintra | 2020/09/06 10:00 | Tennyson Whiting v Issei Okamura | 4-6,4-6 |
| ITF M15 - Sharm El Sheikh | 2020/03/11 08:00 | Issei Okamura v Noah Thurner | 6-1,6-4 |
| ITF M15 - Sharm El Sheikh | 2020/03/03 08:00 | Issei Okamura v Volodymyr Uzhylovskyi | 7-6,4-6,6-10 |
| ITF M15 - Sharm El Sheikh | 2020/02/26 08:00 | Issei Okamura v Ryota Tanuma | 3-6,2-6 |
| ITF M15 - Sharm El Sheikh | 2020/02/25 08:00 | Issei Okamura v Phuong Van Nguyen | 6-3,4-6,10-6 |
| ITF M15 - Sharm El Sheikh | 2020/02/24 09:00 | Issei Okamura v Ismael C R Mzai | 6-3,3-6,10-5 |
| 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 |