| ITF - Dominikanische Republik F2 | 2017/12/05 13:30 | Lukas Greif v Bernardo Saraiva | 6-2,6-7,6-1 |
| ITF - Dominikanische Republik F2 | 2017/12/03 15:00 | Joaquin Caballer v Lukas Greif | 2-6,1-6 |
| ITF - Dominikanische Republik F1 | 2017/11/29 15:35 | Lukas Greif v Collin Johns | 3-6,2-6 |
| ITF - Dominikanische Republik F1 | 2017/11/28 19:05 | Juan Sebastian Gomez v Lukas Greif | 4-6,3-6 |
| ITF - Dominikanische Republik F1 | 2017/11/27 13:00 | Jonathan Chang v Lukas Greif | 6-3,4-6,0-6 |
| ITF - Dominikanische Republik F1 | 2017/11/26 15:00 | Victor Gurevich v Lukas Greif | 0-6,1-6 |
| ITF - USA F38 | 2017/11/21 15:00 | Lukas Greif v Alexander Ward | 1-6,5-7 |
| ITF - USA F38 | 2017/11/19 15:00 | Lukas Greif v Riley Reist | 1-6,6-2,6-3 |
| ITF - Dominikanische Republik F2 | 2017/12/04 14:30 | Evan Zhu v Ivan Endara | 2-6,2-6 |
| Challenger - Guayaquil - Qualifikation | 2017/10/28 17:40 | Ivan Endara v Mariano Kestelboim | 3-6,2-6 |
| ITF - Italien F31 | 2017/09/27 14:35 | Federico Gaio v Ivan Endara | 6-4,6-3 |
| ITF - Italien F31 | 2017/09/26 13:00 | Franco Capalbo v Ivan Endara | 3-6,5-7 |
| ITF - Italien F30 | 2017/09/19 13:00 | Ivan Endara v Tobias Simon | 6-4,3-6,6-7 |
| Challenger Szczecin Qual | 2017/09/11 09:00 | Ivan Endara v Robin Stanek | 4-6,2-6 |
| Challenger Szczecin Qual | 2017/09/10 09:00 | Ivan Endara v Grzegorz Panfil | 6-3,6-1 |
| Challenger Alphen | 2017/09/06 10:00 | Jeremy Jahn v Ivan Endara | 6-1,6-4 |