Round: 44 Ground: Clay
| ITF Brazil F7 | 2018/10/27 12:00 | Matheus Pucinelli De Almeida v Karl W W Mac-Leay | 6-2,6-1 |
| ITF Brazil F6 | 2018/10/21 15:30 | Karl W W Mac-Leay v Javier Naser | 7-6,3-6,0-6 |
| ITF Brazil F6 | 2018/10/20 15:30 | Gabriel P Tumasonis v Karl W W Mac-Leay | 3-6,3-6 |
| ITF Peru F2 | 2018/09/29 14:30 | Juan Manuel Lopez v Karl W W Mac-Leay | 2-6,7-6,6-1 |
| ITF Belgium F8 | 2018/08/11 08:00 | Karl W W Mac-Leay v Martin Van Der Meerschen | 2-6,2-6 |
| ITF Belgium F7 Qual | 2018/08/05 08:00 | Karl W W Mac-Leay v Floris Van Den Brink | 1-6,0-6 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Karl W W Mac-Leay v Yannick Lenaerts | 6-2,6-1 |
| ITF Belgium F6 Qual | 2018/07/29 08:00 | Alexander Kuerschner v Karl W W Mac-Leay | 6-4,6-1 |
| ITF Brazil F6 | 2018/10/21 13:00 | Igor Gimenez v Lucas C R Crichigno | 7-6,6-2 |
| ITF Bolivia F3 | 2018/09/24 15:30 | Matias Riva v Lucas C R Crichigno | 5-7,7-5,7-5 |
| ITF Bolivia F3 | 2018/09/23 14:00 | Lucas C R Crichigno v Pedro Ortega | 7-5,6-1 |
| ITF Argentina F6 | 2018/09/16 15:15 | Esteban Bruna v Lucas C R Crichigno | 6-2,6-4 |
| ITF Bolivia F1 | 2018/09/12 02:05 | Matias Franco Descotte v Lucas C R Crichigno | 6-2,6-0 |
| ITF Bolivia F1 | 2018/09/10 20:30 | Lucas C R Crichigno v Marcos Castares | 6-3,6-2 |