Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/04/19 13:00 | Andrea Guerrieri v Harry Wendelken | 6-3,1-6,4-10 |
| ITF - M15 - Monastir | 2021/04/18 14:00 | Harry Wendelken v Osgar O'Hoisin | 7-6,6-2 |
| UK Pro League | 2021/04/11 08:30 | Alexis Canter v Harry Wendelken | 4-6,3-6 |
| UK Pro League | 2021/04/10 10:15 | Tom Hands v Harry Wendelken | 3-6,6-4,7-10 |
| UK Pro League | 2021/04/09 14:30 | Harry Wendelken v George Houghton | 6-1,6-7,7-10 |
| UK Pro League | 2021/03/21 16:30 | Harry Wendelken v Tom Hands | 6-3,4-6,10-4 |
| UK Pro League | 2021/03/20 16:30 | Julian Cash v Harry Wendelken | 6-4,6-4 |
| UK Pro League | 2021/03/19 11:15 | Mark Whitehouse v Harry Wendelken | 6-2,6-3 |
| ITF - M15 - Monastir | 2021/04/19 13:00 | Cyril Vandermeersch v Mirko Martinez | 6-7,6-4,10-12 |
| ITF - M15 - Monastir | 2021/04/18 14:00 | Valentin De Carvalho v Mirko Martinez | 2-6,0-6 |
| ITF - M15 - Monastir | 2021/04/15 08:30 | Shintaro Imai v Mirko Martinez | 6-1,6-1 |
| ITF - M15 - Monastir | 2021/04/14 08:25 | Michal Mikula v Mirko Martinez | 2-6,1-6 |
| ITF - M15 - Monastir | 2021/04/05 09:00 | Mirko Martinez v Bruno P Navarro | 1-6,1-6 |
| ITF - M15 - Monastir | 2021/04/04 11:30 | Mirko Martinez v Sabit Suntic | 7-5,6-1 |
| ITF M25 - Biel | 2021/03/29 09:45 | Mirko Martinez v Arthur Cazaux | 3-6,2-6 |
| Challenger Lugano | 2021/03/21 13:20 | Mirko Martinez v Jelle Sels | 6-7,2-6 |