Stadium: Court 1 Round: 44 Ground: Clay
| ITF M25 Kottingbrunn | 2021/07/22 11:00 | Toby Martin v Zsombor Piros | 3-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/21 12:10 | Neil Oberleitner v Toby Martin | 6-7,5-7 |
| 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 Sofia | 2021/07/08 11:40 | Simeon Terziev v Gabriel Donev | 1-6,6-4,0-6 |
| ITF M15 Sofia | 2021/07/07 08:35 | Dan Added v Simeon Terziev | 7-5,5-7,4-6 |
| ITF M15 Antalya | 2021/06/30 10:30 | Simeon Terziev v Carlos Sanchez Jover | 6-2,0-6,6-7 |
| ITF M15 Antalya | 2021/06/21 07:00 | Stefan Palosi v Simeon Terziev | 6-0,7-5 |
| ITF M15 Antalya | 2021/06/20 07:00 | Simeon Terziev v Gabriel Roveri Sidney | 4-6,7-6,10-8 |
| ITF M15 Skopje | 2021/06/06 12:00 | Max Houkes v Simeon Terziev | 6-1,6-4 |
| ITF M15 Antalya | 2021/04/26 07:00 | Fabrizio Andaloro v Simeon Terziev | 4-6,6-4,11-9 |
| ITF M15 Antalya | 2021/04/25 07:00 | Credit Chaiyarin v Simeon Terziev | 3-6,1-6 |