Stadium: Court 1 Round: 27 Ground: Clay
| ITF Hungary F3 | 2018/05/23 12:05 | Denis Klok v Fabian Marozsan | 6-7,7-6,7-6 |
| ITF Hungary F3 | 2018/05/22 09:40 | Denis Klok v Andre Biro | 6-3,6-4 |
| ITF Hungary F2 | 2018/05/18 08:00 | Kenneth Raisma v Denis Klok | 6-4,6-4 |
| ITF Hungary F2 | 2018/05/17 09:00 | Denis Klok v Mick Veldheer | 4-6,7-5,6-3 |
| ITF Hungary F2 | 2018/05/16 09:00 | Thomas Statzberger v Denis Klok | 1-6,2-6 |
| ITF Hungary F2 | 2018/05/15 11:20 | Tino Kovacic v Denis Klok | 2-6,1-6 |
| ITF Kazakhstan F5 | 2018/04/27 06:55 | Denis Yevseyev v Denis Klok | 4-6,6-1,6-0 |
| ITF Kazakhstan F5 | 2018/04/26 04:00 | Denis Klok v Mikalai Haliak | 6-1,6-0 |
| ITF Hungary F3 | 2018/05/23 10:10 | Isa Mammetgulyyev v Marko Tepavac | 2-6,3-6 |
| ITF Hungary F3 | 2018/05/22 08:00 | Maxime Mora v Marko Tepavac | 2-6,4-6 |
| Challenger Ostrava Qual | 2018/04/29 12:20 | Mathias Bourgue v Marko Tepavac | 6-2,6-3 |
| Challenger Ostrava Qual | 2018/04/28 11:40 | Marko Tepavac v Pascal Brunner | 6-4,7-5 |
| Challenger - Barletta | 2018/04/10 12:40 | Marko Tepavac v Gastao Elias | 6-3,5-7,0-6 |
| Challenger Barletta Qual | 2018/04/09 08:00 | Zsombor Piros v Marko Tepavac | 6-4,7-5 |
| Challenger Barletta Qual | 2018/04/08 09:00 | Marko Tepavac v Gianluca Di Nicola | 7-5,6-3 |
| Challenger Barletta Qual | 2018/04/07 10:00 | Marko Tepavac v Mate Valkusz | 6-4,6-4 |