Stadium: Court 1 Round: 27 Ground: Clay
| ITF Hungary F1 | 2018/05/09 10:25 | Bogdan Bobrov v Kenneth Raisma | 6-7,5-7 |
| ITF Hungary F1 | 2018/05/08 08:00 | Maric, Filip v Kenneth Raisma | 0-6,3-6 |
| Challenger Glasgow Qual | 2018/04/29 09:30 | Kern, Robin v Kenneth Raisma | 7-6,7-6 |
| Challenger Glasgow Qual | 2018/04/28 09:00 | Sean Hodkin v Kenneth Raisma | 1-6,0-6 |
| Coupe Davis | 2018/04/07 07:00 | Kenneth Raisma v Jaziri, Malek | 4-6,6-7 |
| ITF Portugal F6 | 2018/03/27 15:20 | Kenneth Raisma v Heyman, Christopher | 4-6,7-6,6-7 |
| ITF Portugal F6 Qual | 2018/03/26 10:00 | Kenneth Raisma v Briand, Jurgen | 7-6,6-3 |
| ITF Portugal F5 | 2018/03/22 16:25 | Monteiro, Joao v Kenneth Raisma | 6-4,6-1 |
| ITF Hungary F1 | 2018/05/09 09:00 | Raspudic, Franjo v Sieber, Marc | 2-6,2-6 |
| ITF Hungary F1 | 2018/05/08 11:35 | Andre Biro v Sieber, Marc | 3-6,0-6 |
| Turkey F16, Singles Qualifying | 2018/04/27 07:30 | Smirnov, Artem v Sieber, Marc | 6-1,7-5 |
| Turkey F16, Singles Qualifying | 2018/04/26 07:30 | Kiyamov, Timur v Sieber, Marc | 4-6,6-7 |
| Turkey F16, Singles Qualifying | 2018/04/24 09:00 | Boborykin, Alexander v Sieber, Marc | 4-6,1-6 |
| Turkey F15, Singles Qualifying | 2018/04/17 08:00 | Paul Woerner v Sieber, Marc | 6-2,6-3 |
| Turkey F14, Singles Qualifying | 2018/04/13 07:30 | Pospisil, Jaroslav v Sieber, Marc | 6-2,6-4 |
| Turkey F14, Singles Qualifying | 2018/04/12 09:35 | Jordan Correia Passos Do Carmo v Sieber, Marc | 4-6,6-4,1-6 |