Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF M25 Jonkoping | 2021/09/21 09:10 | Jonathan Mridha v Simon Freund | 7-5,4-6,7-5 |
| ITF M25 Ricany | 2021/09/01 11:40 | Antonin Bolardt v Simon Freund | 6-2,1-6,6-4 |
| ITF M15 Bratislava | 2021/08/26 07:55 | Vasil Kirkov v Simon Freund | 6-0,6-1 |
| ITF M15 Bratislava | 2021/08/25 11:35 | Simon Freund v Obrad Markovski | 6-3,6-4 |
| ITF M25 The Hague | 2021/06/27 08:00 | Simon Freund v Lodewijk Weststrate | 1-6,3-6 |
| ITF M25 Alkmaar | 2021/06/23 09:00 | Simon Freund v Javier Barranco Cosano | 2-6,6-7 |
| ITF M25 Alkmaar | 2021/06/21 14:30 | Simon Freund v Tom Pisane | 6-0,6-1 |
| ITF M25 Alkmaar | 2021/06/20 13:30 | Simon Freund v Buvaysar Gadamauri | 6-2,7-5 |
| ITF M25 Falun | 2021/09/26 11:00 | Woobin Shin v Robin Thour | 3-6,2-6 |
| ITF M25 Jonkoping | 2021/09/21 07:25 | Robin Thour v Tibo Colson | 2-6,1-6 |
| ITF M25 Jonkoping | 2021/09/20 09:10 | Robin Thour v Jonathan Backman | 6-4,4-6,10-6 |
| ITF M25 Jonkoping | 2021/09/19 08:00 | Robin Thour v Johan Claesson | 6-1,6-1 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Robin Thour v Philip Hjorth | 0-6,1-6 |
| ITF M15 Vejle | 2021/07/26 13:20 | Robin Thour v Andrea Del Federico | 6-3,4-6,9-11 |
| ITF M15 Antalya | 2021/05/09 07:00 | Robin Thour v Valentin Vanta | 7-5,3-6,7-10 |
| ITF M15 Antalya | 2021/05/02 06:00 | Oscar Galimardanov v Robin Thour | 6-2,6-2 |