| ITF Chile F2 | 2017/11/28 15:00 | Gerini, Tomas v Gelhardt, Luca | 7-5,6-3 |
| ITF Chile F1 | 2017/11/21 14:30 | Juan Pablo Varillas v Gelhardt, Luca | 4-6,6-3,6-1 |
| Challenger Santiago 2 Qual | 2017/11/11 13:00 | Acevedo, Nicolas v Gelhardt, Luca | 6-2,7-5 |
| ITF Egypt F28 | 2017/10/04 18:55 | Gelhardt, Luca v Kirill Kivattsev | 2-6,3-6 |
| ITF Egypt F27 | 2017/09/26 14:00 | Gelhardt, Luca v Vilardo, Francesco | 6-7,1-6 |
| ITF Turkey F34 | 2017/09/12 10:30 | Gelhardt, Luca v Fujii, Shinta | 4-6,0-6 |
| ITF Turkey F33 | 2017/09/06 11:00 | Gelhardt, Luca v Trinker, Bastian | 3-6,3-6 |
| ITF Turkey F32 | 2017/09/01 12:50 | Renta Tokuda v Gelhardt, Luca | 6-4,6-7,6-3 |
| ITF Chile F2 | 2017/11/30 16:00 | Torre, Eduardo Agustin v Nunez, V. | 7-6,2-6,7-6 |
| ITF Chile F2 | 2017/11/29 15:00 | Nunez, V. v Zukas, Matias | 6-2,6-3 |
| ITF Chile F2 | 2017/11/27 15:25 | Nunez, V. v Juan Bautista Otegui | 7-5,6-3 |
| ITF Chile F1 | 2017/11/25 16:25 | Nunez, V. v Gonzalo Lama | 3-6,5-7 |
| ITF Chile F1 | 2017/11/24 18:40 | Nunez, V. v Ornago, Fabrizio | 6-3,6-2 |
| ITF Chile F1 | 2017/11/23 16:05 | Matias Franco Descotte v Nunez, V. | 2-6,3-6 |
| ITF Chile F1 | 2017/11/21 14:30 | Suarez Gonzalez, Agustin v Nunez, V. | 6-4,5-7,4-6 |
| Challenger Santiago 2 Qual | 2017/11/11 20:30 | Nunez, V. v Pedro Sakamoto | 2-6,6-7 |