Stadium: Sparkassen Court Round: 28 Ground: Clay
| ITF M25 Marburg | 2021/07/09 14:55 | Henri Squire v Louis Wessels | 3-6,5-7 |
| ITF M25 Marburg | 2021/07/08 10:35 | Louis Wessels v Alexander Donski | 6-4,6-7,6-4 |
| ITF M25 Marburg | 2021/07/07 13:00 | Louis Wessels v Niklas Schell | 6-3,6-4 |
| ITF M25 Alkmaar | 2021/06/23 12:10 | Louis Wessels v Carlos Lopez Montagud | 3-6,6-4,4-6 |
| ITF - M15 Bucarest | 2021/05/25 15:00 | Facundo Juarez v Louis Wessels | 6-2,6-0 |
| ITF M15 Troisdorf | 2021/05/14 16:10 | Louis Wessels v Sebastian Fanselow | 4-6,5-7 |
| ITF M15 Troisdorf | 2021/05/13 11:45 | Louis Wessels v Marlon Vankan | 4-6,6-2,7-6 |
| ITF M15 Troisdorf | 2021/05/12 11:40 | Louis Wessels v Smits, Glenn | 6-1,6-3 |
| ITF M25 Marburg | 2021/07/09 09:00 | Lopez San Martin, Alvaro v Tepavac, Marko | 5-7,3-6 |
| ITF M25 The Hague | 2021/07/02 16:05 | Tepavac, Marko v van Rijthoven, Tim | 6-2,6-7,6-7 |
| ITF M25 The Hague | 2021/07/01 14:05 | Kelly, Dayne v Tepavac, Marko | 6-7,3-6 |
| ITF M25 The Hague | 2021/07/01 07:30 | Tepavac, Marko v Daniel De Jonge | 7-5,6-1 |
| ITF M25 Alkmaar | 2021/06/25 11:50 | Tepavac, Marko v Jelle Sels | 5-7,1-6 |
| ITF M25 Alkmaar | 2021/06/24 12:00 | Tepavac, Marko v Ryan Nijboer | 4-6,7-6,6-1 |
| ITF M25 Alkmaar | 2021/06/23 11:15 | Ergi Kirkin v Tepavac, Marko | 4-6,3-6 |
| ITF M15 Skopje | 2021/06/09 10:50 | Tepavac, Marko v Martin Damm | 5-7,3-6 |