Stadium: Hard 20 Round: 25 Ground: Hardcourt outdoor
| ITF - Heraklion M25 | 2023/11/10 09:55 | Harry Wendelken v Guy Den Heijer | 5-7,2-6 |
| ITF - Heraklion M25 | 2023/11/09 09:35 | Enrico Dalla Valle v Harry Wendelken | 4-6,1-6 |
| ITF - Heraklion M25 | 2023/11/08 08:45 | Harry Wendelken v Alexander Orlov | 2-6,7-6,7-5 |
| ITF - Sunderland M25 | 2023/11/01 13:20 | Patrick Brady v Harry Wendelken | 6-7,6-3,6-2 |
| ITF - Glasgow M25 | 2023/10/26 11:35 | Hamish Stewart v Harry Wendelken | 7-5,6-4 |
| ITF - Glasgow M25 | 2023/10/24 09:00 | Phoenix Weir v Harry Wendelken | 1-6,4-6 |
| ITF - Edgbaston M25 | 2023/10/17 11:50 | Milos Karol v Harry Wendelken | 6-2,6-4 |
| UK Pro League | 2023/10/07 11:30 | Harry Wendelken v Oscar Weightman | 6-0,0-6,10-5 |
| ITF - Kursumlijska Banja M15 | 2023/09/21 06:55 | Gorazd Srbljak v Svyatoslav Gulin | 2-6,7-6,1-6 |
| ITF - Kursumlijska Banja M15 | 2023/09/19 13:25 | Gorazd Srbljak v Alexander Chepik | 6-3,7-5 |
| ITF - Kursumlijska Banja M15 | 2023/09/14 10:15 | Gorazd Srbljak v Svyatoslav Gulin | 3-6,4-6 |
| ITF - Kursumlijska Banja M15 | 2023/09/13 12:15 | Aleksandar Mihailovic v Gorazd Srbljak | 6-3,3-6,2-6 |
| ITF - Pirot M15 | 2023/09/05 13:05 | Gorazd Srbljak v Vuk Radjenovic | 2-6,2-6 |
| ITF - Kursumlijska Banja M15 | 2023/08/31 13:10 | Alessandro Bellifemine v Gorazd Srbljak | 6-4,5-7,6-1 |
| ITF - Kursumlijska Banja M15 | 2023/08/30 10:30 | Gorazd Srbljak v Stefan Vujic | 6-4,3-6,6-3 |
| ITF - Osijek M25 | 2023/08/09 09:20 | Gorazd Srbljak v Sebastian Prechtel | 3-6,7-5,3-6 |