Stadium: Court 21 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Heráklion | 2021/11/03 12:40 | Tim Heger v Raffael Schaer | 6-3,6-4 |
| ITF M25 Quinta Do Lago | 2021/10/19 10:30 | Harry Wendelken v Tim Heger | 6-1,4-6,10-8 |
| ITF M25 Quinta Do Lago | 2021/10/18 14:05 | Illia Stoliar v Tim Heger | 2-6,0-6 |
| ITF M25 Loulé | 2021/10/12 11:00 | Tim Heger v Miguel Gomes | 3-6,0-6 |
| ITF M25 Loulé | 2021/10/11 13:30 | Tim Heger v Lennart Melzer | 6-1,6-2 |
| ITF M25 Setubal | 2021/10/06 10:00 | Tim Heger v Henrique Rocha | 2-6,6-4,2-6 |
| ITF M25 Setubal | 2021/10/05 10:00 | Tim Heger v Diogo Morais | 6-1,6-1 |
| ITF M25 Setubal | 2021/10/04 13:30 | Tim Heger v Tomas C Abasolo | 6-4,6-3 |
| ITF M15 Heráklion | 2021/11/02 10:45 | Sergis Kyratzis v Kyle Seelig | 6-4,3-6,3-6 |
| ITF M15 Ithaca | 2021/10/07 14:00 | Kyle Seelig v Radu Mihai Papoe | 2-6,6-1,2-6 |
| ITF M15 Ithaca | 2021/10/06 13:00 | Kyle Seelig v Petro Orlando Fellin | 6-1,7-5 |
| ITF M25 Johannesburg | 2021/09/24 09:45 | Kyle Seelig v Benjamin Lock | 6-7,5-7 |
| ITF M25 Johannesburg | 2021/09/23 07:00 | Igor Marcondes v Kyle Seelig | 6-1,6-7,1-6 |
| ITF M25 Johannesburg | 2021/09/22 10:05 | Peter Goldsteiner v Kyle Seelig | 0-6,6-2,2-6 |
| ITF M25 Johannesburg | 2021/09/14 07:50 | Kyle Seelig v Filip Peliwo | 3-6,4-6 |
| ITF M15 Monastir | 2021/09/05 08:30 | Kyle Seelig v Renta Tokuda | 5-7,0-6 |