Stadium: Court 5 Round: 44 Ground: Clay
| ITF Belgium F7 Qual | 2018/08/05 08:00 | Nico Mertens v Oscar Matias Leiva Biason | 6-1,6-0 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Oscar Matias Leiva Biason v Javier A V. Meza | 6-0,6-0 |
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Amaury Delmas v Oscar Matias Leiva Biason | 6-0,6-3 |
| ITF Germany F9 | 2018/07/22 08:00 | Oscar Matias Leiva Biason v Moritz Dettinger | 2-6,1-6 |
| ITF Belgium F4 | 2018/07/14 07:00 | Javier Naser v Oscar Matias Leiva Biason | 6-2,6-0 |
| ITF Germany F7 | 2018/07/09 08:00 | Andres Urrea v Oscar Matias Leiva Biason | 7-6,6-2 |
| ITF Belgium F2 Qual | 2018/06/24 14:50 | Oscar Matias Leiva Biason v Paul Valsecchi | 2-6,1-6 |
| ITF Belgium F2 Qual | 2018/06/23 13:20 | Oscar Matias Leiva Biason v Yannis Zekri | 6-1,6-0 |
| ITF Argentina F8 | 2018/11/03 17:00 | Conner Huertas Del Pino v Federico Juan Aguilar | 6-0,6-0 |
| ITF Argentina F7 | 2018/10/28 13:00 | Jeremias Rocco v Federico Juan Aguilar | 6-1,6-2 |
| ITF Argentina F7 | 2018/10/27 13:00 | Cristian Luciano Pastore v Federico Juan Aguilar | 2-6,2-6 |
| ITF Peru F3 | 2018/10/06 16:30 | Federico Juan Aguilar v Duilio Vallebuona | 4-6,2-6 |
| ITF Peru F2 | 2018/09/30 15:30 | Federico Juan Aguilar v Julian Gimenez | 3-6,2-6 |
| ITF Peru F1 | 2018/09/24 15:00 | Nicolas Santos v Federico Juan Aguilar | 6-2,7-5 |
| ITF Peru F1 | 2018/09/23 15:30 | Federico Juan Aguilar v Mario Urquidi | 0-6,6-1,6-1 |
| ITF Bolivia F2 | 2018/09/16 16:30 | Jorge Abde Celis v Federico Juan Aguilar | 3-6,7-5,6-1 |