Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2019/01/08 08:45 | Denis Klok v Alexander Romay | 6-0,6-4 |
| ITF Czech Republic F11 | 2018/11/21 18:50 | Denis Klok v Kelsey Stevenson | 4-6,1-6 |
| ITF Finland F4 | 2018/11/13 15:45 | Denis Klok v Karl Friberg | 3-6,1-6 |
| ITF Estonia F3 | 2018/11/06 12:30 | Aliaksandr Liaonenka v Denis Klok | 7-5,6-2 |
| Challenger Almaty 2 | 2018/09/29 08:15 | Aliaksandr Bury v Denis Klok | 6-3,6-4 |
| ITF Kazakhstan F8 | 2018/09/26 09:15 | Francesco Bessire v Denis Klok | 7-6,6-2 |
| ITF Kazakhstan F8 | 2018/09/24 06:50 | Beibit Zhukayev v Denis Klok | 1-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/20 07:05 | Andrey Chepelev v Denis Klok | 3-6,6-3,6-3 |
| ITF M15 Monastir | 2019/01/08 10:05 | Luca Gelhardt v Ameur Ben Hassen | 6-1,6-2 |
| ITF Germany F9 | 2018/07/24 10:00 | Luca Gelhardt v Ewan Moore | 6-7,3-6 |
| ITF Netherlands F3 | 2018/07/11 15:05 | Orlando Luz v Luca Gelhardt | 6-2,6-2 |
| ITF Netherlands F3 | 2018/07/10 15:25 | Michiel de Krom v Luca Gelhardt | 7-6,6-7,2-6 |
| ITF Belgium F3 | 2018/07/03 09:40 | Eduardo Dischinger v Luca Gelhardt | 3-6,6-2,6-2 |
| ITF Netherlands F1 | 2018/06/28 15:40 | Luca Gelhardt v Clement Geens | 4-6,3-6 |
| ITF Netherlands F1 | 2018/06/26 11:15 | Daniil Zarichanskiy v Luca Gelhardt | 6-7,3-6 |
| ITF Belgium F1 | 2018/06/19 13:40 | Luca Gelhardt v Clement Geens | 3-6,4-6 |