Stadium: Court 2 Round: 14 Ground: Clay
| Challenger Alicante | 2021/10/10 12:55 | Daniel Rincon v Denys Molchanov | 6-4,7-5 |
| Challenger Heilbronn Qual | 2018/05/13 13:00 | Daniel Masur v Denys Molchanov | 6-3,6-3 |
| Challenger Barletta Qual | 2018/04/07 14:30 | Alexandre Muller v Denys Molchanov | 6-0,6-0 |
| ITF Kazakhstan F2 | 2018/02/22 07:00 | Sanjar Fayziev v Denys Molchanov | 7-6,6-2 |
| ITF Kazakhstan F2 | 2018/02/21 05:30 | Denys Molchanov v Ti Chen | 6-2,6-2 |
| ITF Kazakhstan F2 | 2018/02/20 09:15 | Denys Molchanov v Daniiar Duldaev | 6-1,6-3 |
| ITF Kazakhstan F1 | 2018/02/17 06:00 | Denys Molchanov v Mikhail Fufygin | 6-4,3-6,4-6 |
| ITF Kazakhstan F1 Qual | 2018/02/15 06:00 | Denys Molchanov v Denis Yevseyev | 6-2,6-3 |
| Challenger - Liberec | 2023/07/31 11:00 | Federico Agustin Gomez v Denis Klok | 6-3,6-2 |
| Challenger - Liberec | 2023/07/30 14:10 | Sebastian Dominko v Denis Klok | 6-7,5-7 |
| Challenger Amersfoort | 2023/07/17 09:00 | Tibo Colson v Denis Klok | 6-4,6-2 |
| Challenger Amersfoort | 2023/07/16 10:50 | Denis Klok v Hady Habib | 3-6,7-5,6-1 |
| ITF M15 Sofia | 2023/07/08 09:35 | Goncalo Oliveira v Denis Klok | 6-3,6-4 |
| ITF M15 Sofia | 2023/07/06 08:10 | Adam Heinonen v Denis Klok | 1-6,1-6 |
| ITF M15 Sofia | 2023/07/04 09:40 | Gabriel Donev v Denis Klok | 5-7,1-6 |
| ITF M15 Belgrad | 2023/06/29 06:50 | Denis Klok v Ergi Kirkin | 6-7,3-6 |