Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF Spain F38 | 2016/11/22 11:30 | Christopher Heyman v Joao Monteiro | 6-1,1-6,4-6 |
| ITF Belgium F3 | 2018/07/06 15:00 | Christopher Heyman v Michael Geerts | 6-4,6-7,3-6 |
| ITF Belgium F3 | 2018/07/05 15:35 | Christopher Heyman v Nikita Mashtakov | 6-3,6-2 |
| ITF Belgium F3 | 2018/07/04 10:10 | Christopher Heyman v Felipe M Sarrasague | 6-2,6-4 |
| ITF Belgium F3 Qual | 2018/07/02 10:35 | Christopher Heyman v Robin Vanhauwe | 6-3,6-0 |
| ITF Belgium F3 Qual | 2018/07/01 12:00 | Christopher Heyman v Lautaro Agustin Falabella | 6-2,6-1 |
| ITF Belgium F3 Qual | 2018/06/30 07:30 | Christopher Heyman v Joaquin P M Bannen | 6-1,6-1 |
| ITF Germany F5 | 2018/06/28 13:30 | Christopher Heyman v Tim Ruehl | 6-3,6-7,1-6 |
| ITF Germany F5 | 2018/06/27 10:00 | Christopher Heyman v Robert Strombachs | 6-0,6-3 |
| Challenger Milan | 2018/06/28 09:00 | Gianluca Mager v Joao Monteiro | 6-1,6-2 |
| Challenger Milan | 2018/06/26 09:00 | Andrea Pellegrino v Joao Monteiro | 2-6,0-6 |
| Challenger Blois | 2018/06/19 08:30 | Thiemo De Bakker v Joao Monteiro | 6-2,6-2 |
| ITF Spain F14 | 2018/06/06 10:00 | Joao Monteiro v Niels Desein | 6-2,4-6,0-6 |
| ITF Spain F14 | 2018/06/05 11:55 | Joao Monteiro v Fred Simonsson | 6-2,6-1 |
| Challenger Mestre | 2018/05/24 10:25 | Joao Monteiro v Mitchell Krueger | 6-7,3-6 |
| Challenger Mestre | 2018/05/23 14:35 | Joao Monteiro v Mario Vilella Martinez | 7-5,6-7,6-1 |
| Challenger Lisbon | 2018/05/15 13:10 | Taro Daniel v Joao Monteiro | 7-6,7-6 |