Round: 54 Ground: Clay
| ITF Lithuania F1 | 2018/07/21 07:00 | Bruna, Esteban v Galka, Jan | 6-3,3-6,3-6 |
| ITF Estonia F1 | 2018/07/16 07:00 | Guido Ivan Justo v Bruna, Esteban | 6-1,7-5 |
| ITF Estonia F1 | 2018/07/14 10:00 | Parko, Carl Bret v Bruna, Esteban | 1-6,3-6 |
| ITF Argentina F3 | 2018/05/28 13:00 | Estevez Maximiliano v Bruna, Esteban | 6-4,6-3 |
| ITF Argentina F3 | 2018/05/26 14:30 | Trevisan Rezende, Matheus v Bruna, Esteban | 2-6,1-6 |
| ITF Mexico F3 | 2018/05/19 15:00 | Bruna, Esteban v Hernandez Moreno, Omar | 4-6,6-7 |
| ITF Mexico F2 | 2018/05/12 16:00 | Aydan Gomez Osorio v Bruna, Esteban | 7-5,3-6,6-1 |
| ITF Mexico F1 | 2018/05/06 15:00 | Castaneda, Guillermo v Bruna, Esteban | 6-3,6-2 |
| ITF Lithuania F1 | 2018/07/21 07:00 | Lukstins, Gustavs v Grinvalds, Roberts | 5-7,0-6 |
| ITF Estonia F1 | 2018/07/14 08:00 | Lukstins, Gustavs v Mednis, Rudolfs | 6-7,2-6 |
| ITF Belgium F3 Qual | 2018/07/01 12:00 | Lukstins, Gustavs v Taylor, Sam | 6-7,2-6 |
| Turkey F6, Singles Qualifying | 2018/02/10 09:00 | Lukstins, Gustavs v Ryuki Matsuda | 0-6,1-6 |
| ITF Turkey F3 | 2018/01/22 10:00 | Haylaz, Muhammet v Lukstins, Gustavs | 6-1,7-5 |
| ITF Turkey F3 | 2018/01/20 07:00 | Lukstins, Gustavs v Amir Hossein Badi | 6-3,2-6,6-2 |
| ITF Estonia F4 | 2017/11/04 11:00 | Maiga, Riccardo v Lukstins, Gustavs | 7-5,6-2 |
| ITF Estonia F2 | 2017/10/21 08:00 | Filin, Pavel v Lukstins, Gustavs | 6-2,3-6,6-2 |