Stadium: Center Court Round: 25 Ground: Clay
| Challenger Lisbon Qual | 2018/05/12 13:35 | Christopher Heyman v David Vega Hernandez | 1-6,3-6 |
| Challenger Braga | 2018/05/08 17:25 | Pedro Sousa v Christopher Heyman | 6-2,6-2 |
| Challenger Guadalajara | 2018/04/17 17:00 | Christopher Heyman v Alexander Sarkissian | 4-6,6-7 |
| Challenger Mexico City | 2018/04/09 22:25 | Christopher Heyman v Adrian Menendez-Maceiras | 6-1,5-7,2-6 |
| ITF Portugal F6 | 2018/03/29 11:00 | Andres Artunedo Martinavarr v Christopher Heyman | 6-2,6-1 |
| ITF Portugal F6 | 2018/03/28 14:45 | Jaime Pulgar-Garcia v Christopher Heyman | 3-6,2-6 |
| ITF Portugal F6 | 2018/03/27 15:20 | Kenneth Raisma v Christopher Heyman | 4-6,7-6,6-7 |
| ITF Switzerland F2 | 2018/02/14 14:00 | Christopher Heyman v Niels Desein | 6-7,4-6 |
| ITF Sweden F3 | 2018/05/21 10:25 | Filip Bergevi v Louis Wessels | 4-6,4-6 |
| ITF Sweden F1 | 2018/05/10 09:50 | Filip Bergevi v Louis Wessels | 7-6,2-6,6-3 |
| ITF Sweden F1 | 2018/05/09 09:35 | Antoine Bellier v Filip Bergevi | 3-6,6-7 |
| ITF Sweden F1 | 2018/05/07 10:25 | Jesper Klov Nilsson v Filip Bergevi | 1-6,3-6 |
| ITF Turkey F16 | 2018/04/25 07:30 | Marsel Ilhan v Filip Bergevi | 6-4,3-6,6-4 |
| ITF Turkey F16 | 2018/04/23 07:30 | Filip Bergevi v Gorazd Srbljak | 6-2,6-2 |
| ITF Turkey F16 | 2018/04/22 09:30 | Filip Bergevi v Aleksandar Tomas | 6-4,6-1 |
| ITF Turkey F15 | 2018/04/20 07:30 | Nino Serdarusic v Filip Bergevi | 6-3,6-2 |