Stadium: Court 7 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/03/21 13:00 | 바타글리노, 스테파노 v O'Neill, Daniel | 6-2,6-2 |
| ITF M15 Monastir | 2021/03/14 10:00 | 인가라오, 알레산드로 v O'Neill, Daniel | 6-1,6-3 |
| ITF M15 Heraklion | 2020/11/23 08:00 | O'Neill, Daniel v 파로울레크, 타데아스 | 2-6,3-6 |
| ITF M15 Heraklion | 2020/10/25 07:30 | O'Neill, Daniel v 클스타노비치, 요십 | 0-6,3-6 |
| ITF M15 Cancun | 2019/12/08 17:00 | 에구에즈, 세바스티안 v O'Neill, Daniel | 6-1,6-1 |
| ITF M15 Cancun | 2019/12/01 19:00 | 로드리구에스, 페드로 가브리엘 v O'Neill, Daniel | 6-2,6-4 |
| ITF M15 Cancun | 2019/11/17 18:00 | 새인, 월리 v O'Neill, Daniel | 6-1,7-5 |
| ITF Ireland F1 Qual | 2018/07/30 12:25 | 맥케오운, 조르단 v O'Neill, Daniel | 6-0,7-6 |
| ITF M15 Monastir | 2021/03/22 12:30 | 리베이로 마르콘데스, 이골 v Mateo Barreiros Reyes | 6-4,6-4 |
| ITF M15 Monastir | 2021/03/21 17:00 | Mateo Barreiros Reyes v Aissa Khelifa, Mohamed Amine | 6-4,6-3 |
| ITF Brazil F6 | 2018/10/21 15:30 | Mateo Barreiros Reyes v 올리베이라, 크리스티안 | 6-7,5-7 |
| ITF Brazil F4 | 2018/05/15 15:35 | Mateo Barreiros Reyes v Lama, Gonzalo | 5-7,4-6 |
| ITF Brazil F4 Qual | 2018/05/14 13:00 | Costa, Fabio v Mateo Barreiros Reyes | 4-6,2-6 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Mateo Barreiros Reyes v 가스트로, 빅터 | 6-4,6-3 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Mateo Barreiros Reyes v Bernardo, Lucas | 6-4,6-1 |
| ITF Brazil F4 | 2017/11/25 10:30 | Mateo Barreiros Reyes v Sao Thiago, Igor | 6-7,2-6 |