Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| 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 Switzerland F2 | 2018/02/13 08:00 | Christopher Heyman v Filip Duda | 7-6,6-4 |
| ITF Switzerland F1 | 2018/02/07 12:00 | Christopher Heyman v Gregoire Jacq | 4-6,5-7 |
| ITF Brazil F1 | 2018/04/27 21:30 | Wilson Leite v Christian Lindell | 3-6,5-7 |
| ITF Brazil F1 | 2018/04/25 18:15 | Wilson Leite v Ryusei Makiguchi | 6-4,5-7,6-4 |
| ITF Brazil F1 | 2018/04/24 13:00 | Wilson Leite v Lorenzo Gagliardo | 6-0,7-5 |
| ITF Italy F8 Qual | 2018/04/16 12:00 | Wilson Leite v Vadim Alekseenko | 2-6,6-1,4-6 |
| ITF Italy F8 Qual | 2018/04/15 12:00 | Wilson Leite v Leon Hoeveler | 6-3,7-6 |
| ITF Italy F4 | 2018/03/19 15:55 | Davide Galoppini v Wilson Leite | 6-2,6-3 |
| ITF Italy F3 | 2018/03/13 14:25 | Wilson Leite v Martin Cuevas | 3-6,3-6 |
| ITF Italy F2 | 2018/03/09 16:45 | Wilson Leite v Lorenzo Giustino | 2-6,0-6 |