Stadium: Court 1 Round: 44 Ground: Clay
| ITF Argentina F3 | 2018/05/26 12:00 | Gabriel P Tumasonis v Bruno Caula | 1-6,3-6 |
| ITF Argentina F2 | 2018/05/21 13:00 | Gabriel P Tumasonis v Juan M G Paiva | 1-6,6-7 |
| ITF Argentina F2 | 2018/05/20 13:00 | Alan Kohen v Gabriel P Tumasonis | 4-6,6-7 |
| ITF Argentina F2 | 2018/05/19 12:00 | Nicolas Zaidman v Gabriel P Tumasonis | 4-6,1-6 |
| ITF Brazil F4 Qual | 2018/05/14 14:40 | Igor Gimenez v Gabriel P Tumasonis | 6-4,6-1 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Gabriel P Tumasonis v Francisco Llanes | 7-6,6-3 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Gabriel P Tumasonis v Leonardo S Frederico | 6-1,6-0 |
| ITF Brazil F3 | 2018/05/06 12:30 | Gabriel P Tumasonis v Francisco Comesana | 3-6,7-5,5-7 |
| ITF Belgium F6 Qual | 2018/07/29 08:00 | Alexander Kuerschner v Karl W W Mac-Leay | 6-4,6-1 |
| ITF Belgium F6 Qual | 2018/07/28 07:00 | Kevin Esteves v Karl W W Mac-Leay | 7-6,2-6,3-6 |
| ITF Belgium F5 | 2018/07/21 14:00 | Maxim Verboven v Karl W W Mac-Leay | 7-5,7-5 |
| ITF Netherlands F3 | 2018/07/07 07:30 | Daniel De Jonge v Karl W W Mac-Leay | 6-2,6-0 |
| ITF Belgium F3 Qual | 2018/06/30 07:30 | Corbin Benson v Karl W W Mac-Leay | 6-2,7-6 |
| ITF Belgium F2 Qual | 2018/06/24 08:00 | George Tsivadze v Karl W W Mac-Leay | 6-0,6-2 |
| ITF Belgium F2 Qual | 2018/06/23 10:05 | Alexandre Sitek v Karl W W Mac-Leay | 3-6,2-6 |
| ITF Turkey F22 | 2018/06/02 07:30 | Carlos Kelaidis v Karl W W Mac-Leay | 6-4,1-6,6-2 |