Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M25 - Falun | 2019/09/30 10:15 | Lucas Renard v Harry Wendelken | 6-1,7-6 |
| ITF M25 - Falun | 2021/09/27 07:55 | Lucas Renard v Sebastian Eriksson | 6-3,7-6 |
| ITF M25 - Falun | 2021/09/26 08:00 | Lucas Renard v Oskar Antinheimo | 7-5,5-7,10-6 |
| ITF M25 - Jönköping | 2021/09/21 10:40 | Elmer Moller v Lucas Renard | 3-6,6-3,6-2 |
| ITF M15 - Marbella | 2021/05/23 14:00 | Lucas Renard v Javier Molino | 6-7,6-7 |
| ITF M25 - Naples | 2021/02/22 16:00 | Daniel Dutra Da Silva v Lucas Renard | 6-1,6-1 |
| ITF M25 - Naples | 2021/02/16 17:50 | Christian Langmo v Lucas Renard | 7-6,6-3 |
| ITF M25 - Naples | 2021/02/15 16:00 | Lucas Renard v Justin Butsch | 6-1,6-4 |
| ITF M15 - Parnu | 2020/11/05 10:15 | Yan Sabanin v Lucas Renard | 7-6,6-3 |
| ITF M25 - Falun | 2021/09/27 07:50 | Harry Wendelken v Iiro Vasa | 6-7,6-1,16-14 |
| ITF M25 - Jönköping | 2021/09/21 09:20 | Marvin Moeller v Harry Wendelken | 4-6,7-5,6-1 |
| ITF M25 - Jönköping | 2021/09/20 07:30 | Harry Wendelken v Eirik Groener | 6-2,6-1 |
| ITF M25 - Poznan | 2021/08/26 14:15 | Felix Gill v Harry Wendelken | 6-1,6-4 |
| ITF M25 - Poznan | 2021/08/25 10:00 | Harry Wendelken v Gilbert S K Junior | 3-6,6-4,6-2 |
| ITF M25 - Poznan | 2021/08/24 16:10 | Harry Wendelken v Fermin Calvo Barcelo | 6-2,6-3 |
| ITF M25 - Poznan | 2021/08/24 08:00 | Harry Wendelken v Jesse De Jager | 6-1,6-3 |
| ITF M25 - Poznan | 2021/08/22 08:00 | Harry Wendelken v Vojtech Vlkovsky | 6-3,6-4 |