Stadium: COURT 1 Round: 24 Ground: Hardcourt outdoor
| Challenger Andria | 2018/11/21 12:40 | Quentin Halys v Grigelis, Laurynas | 6-3,7-6 |
| Challenger Andria | 2018/11/20 12:15 | Raul Brancaccio v Grigelis, Laurynas | 3-6,5-7 |
| Mouilleron-Le-Captif, France | 2018/11/06 11:25 | Mathias Bourgue v Grigelis, Laurynas | 6-3,7-6 |
| Mouilleron-Le-Captif, France | 2018/11/05 13:00 | Grigelis, Laurynas v Rochette, Laurent | 6-3,6-4 |
| Mouilleron-Le-Captif, France | 2018/11/04 14:00 | Grigelis, Laurynas v Clement Tabur | 7-6,6-4 |
| Mouilleron-Le-Captif, France | 2018/11/03 17:55 | Grigelis, Laurynas v Bertrand, Ulysse | 6-0,6-2 |
| Challenger Ismaning | 2018/10/16 15:20 | Grigelis, Laurynas v Krawietz, Kevin | 4-6,6-7 |
| Challenger - Barcelone | 2018/10/09 11:00 | Guttierrez-Ferrol, Sergio v Grigelis, Laurynas | 6-4,6-2 |
| Challenger - Buenos Aires | 2018/11/11 22:00 | Ulises Blanch v Malla, Bastian | 3-6,4-6 |
| Montevideo, Uruguay | 2018/11/05 17:45 | Galarza, Juan Ignacio v Ulises Blanch | 6-3,2-6,6-4 |
| Montevideo, Uruguay | 2018/11/04 14:45 | Lipovsek Puches, Tomas v Ulises Blanch | 3-6,2-6 |
| Montevideo, Uruguay | 2018/11/03 17:30 | Troche, Emiliano v Ulises Blanch | 4-6,2-6 |
| Challenger Guayaquil | 2018/10/31 16:00 | Ulises Blanch v Arguello, Facundo | 4-6,1-6 |
| Challenger Guayaquil | 2018/10/30 19:20 | Ulises Blanch v Facundo Bagnis | 7-5,6-4 |
| Challenger Guayaquil | 2018/10/29 15:30 | Cuevas, Martin v Ulises Blanch | 6-2,6-3 |
| Challenger Guayaquil | 2018/10/28 17:20 | Tomas Martin Etcheverry v Ulises Blanch | 6-7,3-6 |