Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Santo Domingo | 2021/06/01 13:00 | Issei Okamura v Ronan Jachuck | 3-6,7-5,10-7 |
| ITF M25 Santo Domingo | 2021/05/31 15:30 | Ying Hou v Ronan Jachuck | 1-6,1-6 |
| ITF M25 Santo Domingo | 2021/05/30 17:00 | Ivo Cimino v Ronan Jachuck | 0-6,0-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/17 15:30 | Matthew Segura v Ronan Jachuck | 6-4,7-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/16 17:00 | Drew Van Orderlain v Ronan Jachuck | 3-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/15 14:00 | Evan Bynoe v Ronan Jachuck | 2-6,0-5 |
| UTR Pro Tennis Series Atlanta | 2021/04/14 18:30 | McClain Kessler v Ronan Jachuck | 3-6,4-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/12 17:00 | Elio Jose Ribeiro Lago v Ronan Jachuck | 2-6,0-5 |
| ITF M25 Santo Domingo | 2021/05/30 15:30 | Mateo Barreiros Reyes v Jesse Flores | 2-6,4-6 |
| ITF M15 Monastir | 2021/03/29 08:00 | Mateo Barreiros Reyes v Fausto Tabacco | 3-6,3-6 |
| ITF M15 Monastir | 2021/03/28 10:30 | Daniel O'Neill v Mateo Barreiros Reyes | 3-6,3-6 |
| ITF M15 Monastir | 2021/03/22 12:30 | Igor Marcondes v Mateo Barreiros Reyes | 6-4,6-4 |
| ITF M15 Monastir | 2021/03/21 17:00 | Mateo Barreiros Reyes v Mohamed Amine Aissa Khelifa | 6-4,6-3 |
| ITF Brazil F6 | 2018/10/21 15:30 | Mateo Barreiros Reyes v Christian Oliveira | 6-7,5-7 |
| ITF Brazil F4 | 2018/05/15 15:35 | Mateo Barreiros Reyes v Gonzalo Lama | 5-7,4-6 |
| ITF Brazil F4 Qual | 2018/05/14 13:00 | Fabio Costa v Mateo Barreiros Reyes | 4-6,2-6 |