Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Telfs | 2021/07/13 07:30 | Neil Oberleitner v Ondrej Horak | 4-6,4-6 |
| ITF M25 Telfs | 2021/07/12 07:50 | Neil Oberleitner v Jan Jermar | 6-3,6-0 |
| ITF M15 Sibenik | 2021/04/19 08:00 | Christian Sigsgaard v Neil Oberleitner | 7-6,6-4 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Matic Dimic v Neil Oberleitner | 7-6,4-6,6-10 |
| ITF M15 Sharm El Sheikh | 2021/04/06 08:55 | Neil Oberleitner v Adam Jones | 2-6,6-1,8-10 |
| ITF M15 Sharm El Sheikh | 2021/04/05 11:30 | Neil Oberleitner v Emiliano Troche | 6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/28 14:30 | Lorenzo Rottoli v Neil Oberleitner | 6-1,3-6,10-8 |
| ITF M15 Sharm El Sheikh | 2021/03/23 07:30 | Francesco Vilardo v Neil Oberleitner | 6-2,6-4 |
| ITF M25 Kottingbrunn | 2021/07/20 09:15 | Toby Martin v Pietro Schiavetti | 6-3,6-7,10-7 |
| ITF M25 Kottingbrunn | 2021/07/19 10:10 | Toby Martin v Samuel Paulovcak | 6-3,6-7,10-8 |
| ITF M25 Kottingbrunn | 2021/07/18 07:30 | Toby Martin v Michalis Sakellaridis | 6-1,6-2 |
| ITF M25 Ajaccio | 2021/07/08 15:30 | Lisandru Rodriguez v Toby Martin | 6-2,6-3 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Nikola Slavic v Toby Martin | 6-4,6-3 |
| ITF M15 Skopje | 2021/06/08 09:00 | Toby Martin v Rrezart Cungu | 6-7,6-4,5-10 |
| ITF M15 Skopje | 2021/06/07 13:00 | Toby Martin v Leyton Rivera | 7-6,5-7,11-9 |
| ITF M15 Skopje | 2021/06/07 07:45 | Toby Martin v Strahinja Rakic | 6-4,6-3 |