Stadium: Court 2 Round: 25 Ground: Clay
| ITF Germany F5 | 2018/06/27 16:00 | Denis Klok v Netuschil, Marvin | 3-6,3-6 |
| ITF Hungary F4 Qual | 2018/06/10 08:00 | Denis Klok v Rakic, Strahinja | 2-6,1-6 |
| ITF Hungary F3 | 2018/05/24 08:30 | Denis Klok v Tepavac, Marko | 4-6,1-6 |
| 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 Veldheer, Mick | 4-6,7-5,6-3 |
| ITF Hungary F2 | 2018/05/16 09:00 | Statzberger, Thomas v Denis Klok | 1-6,2-6 |
| ITF Netherlands F1 | 2018/06/29 13:00 | Fransen, Stephan v Geens, Clement | 3-6,3-6 |
| ITF Netherlands F1 | 2018/06/28 09:00 | Giner, Marc v Fransen, Stephan | 7-6,1-6,4-6 |
| ITF Netherlands F1 | 2018/06/26 17:40 | Fransen, Stephan v Dax Donders | 6-2,6-4 |
| Challenger San Luis Potosi Qual | 2018/03/25 21:35 | Endara, Ivan v Fransen, Stephan | 6-0,6-0 |
| Nigeria F5, Singles | 2017/10/17 09:00 | Ubon, Joseph Imeh v Fransen, Stephan | 0-6,6-3,6-0 |
| ITF Nigeria F4 | 2017/10/14 15:30 | Fransen, Stephan v Krstin, Pedja | 2-6,3-6 |
| ITF Nigeria F4 | 2017/10/13 10:40 | Fransen, Stephan v Goveas, Aryan | 6-4,6-4 |
| ITF Nigeria F4 | 2017/10/12 12:30 | Fransen, Stephan v Tatlot, Johan Sebastien | 6-3,3-6,6-2 |