Estádio: Court 5 Round: 28 Ground: Hardcourt outdoor
| ITF - Portugal F11 | 2016/09/30 13:00 | Yannick Mertens v Tiago Cacao | 6-3,7-6 |
| ITF - Portugal F1 | 2018/02/23 11:25 | Yannick Mertens v Igor Marcondes | 3-6,6-4,6-1 |
| ITF - Portugal F1 | 2018/02/22 15:05 | Yannick Mertens v Jaime Fermosell | 7-5,6-2 |
| ITF - Portugal F1 | 2018/02/20 11:45 | Yannick Mertens v Fernando Bogajo | 7-6,6-1 |
| ITF - Grã-Bretanha F3 | 2018/02/13 12:15 | Evan Furness v Yannick Mertens | 4-6,7-5,6-4 |
| ITF - Grã-Bretanha F1 | 2018/02/04 11:00 | Scott Griekspoor v Yannick Mertens | 6-1,7-6 |
| ITF - Grã-Bretanha F1 | 2018/02/03 10:00 | Yannick Mertens v Matteo Viola | 7-6,6-1 |
| ITF - Grã-Bretanha F1 | 2018/02/02 10:00 | Neil Pauffley v Yannick Mertens | 6-7,4-6 |
| ITF - Grã-Bretanha F1 | 2018/02/01 13:40 | Nicolas Rosenzweig v Yannick Mertens | 0-6,6-3,4-6 |
| ITF - Portugal F1 | 2018/02/23 11:35 | Tiago Cacao v Ben Patael | 1-6,6-1,6-3 |
| ITF - Portugal F1 | 2018/02/21 12:40 | Tiago Cacao v Bruno Mardones | 6-4,6-1 |
| ITF - Espanha F2 | 2018/01/21 11:30 | Patrik Brydolf v Tiago Cacao | 6-2,7-6 |
| ITF - Espanha F1 | 2018/01/16 12:55 | Daniel Munoz-De La Nava v Tiago Cacao | 6-2,6-4 |
| ITF - Espanha F1 | 2018/01/15 09:00 | Tiago Cacao v Oscar M Cornella | 6-2,6-3 |
| ITF - Espanha F1 | 2018/01/14 09:00 | Tiago Cacao v Arthur Hugounenq | 6-2,6-2 |
| ITF - Espanha F1 | 2018/01/13 11:00 | Tiago Cacao v Cosmin Ontica | 6-1,6-3 |
| ITF - Tunísia F33 | 2017/11/01 12:00 | Tiago Cacao v Mathieu Perchicot | 1-6,4-6 |