Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/03/28 10:30 | Daniel O'Neill v Mateo Barreiros Reyes | 3-6,3-6 |
| 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 M15 Monastir | 2021/03/21 15:00 | Rishab Agarwal v Julien Penzlin | 6-4,6-3 |
| ITF M15 Monastir | 2021/03/15 09:00 | Julien Penzlin v Yanais Laurent | 4-6,6-7 |
| ITF M15 Monastir | 2021/03/14 11:00 | Tim Riedel v Julien Penzlin | 3-6,6-7 |
| Tennis Point Exhibition Series | 2020/07/18 10:25 | Julien Penzlin v Constantin Schmitz | 1-6,0-6 |
| Tennis Point Exhibition Series | 2020/07/17 07:00 | Julien Penzlin v Daniel Vishnick | 3-6,6-2,4-6 |
| Tennis Point Exhibition Series | 2020/07/16 09:20 | Julien Penzlin v Florian Broska | 2-6,2-6 |
| Tennis Point Exhibition Series | 2020/07/15 14:05 | Julien Penzlin v Frederik Nielsen | 2-6,1-6 |
| Tennis Point Exhibition Series | 2020/07/14 13:50 | Julien Penzlin v Hazem Naw | 1-6,2-6 |