Estadio: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/03/21 13:00 | Stefano Battaglino v Daniel O'Neill | 6-2,6-2 |
| ITF M15 Monastir | 2021/03/14 10:00 | Alessandro Ingarao v Daniel O'Neill | 6-1,6-3 |
| ITF M15 Heraklion | 2020/11/23 08:00 | Daniel O'Neill v Tadeas Paroulek | 2-6,3-6 |
| ITF M15 Heraklion | 2020/10/25 07:30 | Daniel O'Neill v Josip Krstanovic | 0-6,3-6 |
| ITF M15 Cancun | 2019/12/08 17:00 | Sebastian Eguez v Daniel O'Neill | 6-1,6-1 |
| ITF M15 Cancun | 2019/12/01 19:00 | Pedro Gabriel Rodrigues v Daniel O'Neill | 6-2,6-4 |
| ITF M15 Cancun | 2019/11/17 18:00 | Wally Thayne v Daniel O'Neill | 6-1,7-5 |
| ITF Irlanda F1 - Clasificación | 2018/07/30 12:25 | Jordan Mckeown v Daniel O'Neill | 6-0,7-6 |
| 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 Brasil F6 | 2018/10/21 15:30 | Mateo Barreiros Reyes v Christian Oliveira | 6-7,5-7 |
| ITF Brasil F4 | 2018/05/15 15:35 | Mateo Barreiros Reyes v Gonzalo Lama | 5-7,4-6 |
| ITF Brasil F4 - Clasificación | 2018/05/14 13:00 | Fabio Costa v Mateo Barreiros Reyes | 4-6,2-6 |
| ITF Brasil F4 - Clasificación | 2018/05/13 12:00 | Mateo Barreiros Reyes v Victor Castro | 6-4,6-3 |
| ITF Brasil F4 - Clasificación | 2018/05/12 12:00 | Mateo Barreiros Reyes v Lucas Bernardo | 6-4,6-1 |
| ITF Brasil F4 | 2017/11/25 10:30 | Mateo Barreiros Reyes v Igor Sao Thiago | 6-7,2-6 |