Stadium: Quadra 3 Round: 25 Ground: Clay
| Challenger Campinas | 2019/09/30 16:45 | Gilbert S K Junior v Nicolas Alvarez | 2-6,3-6 |
| Challenger Buenos Aires | 2019/09/24 17:30 | Nicolas Alvarez v Thiago Seyboth Wild | 4-6,4-6 |
| Challenger Buenos Aires | 2019/09/23 18:50 | Nicolas Alvarez v Juan Manuel Cerundolo | 6-3,6-0 |
| Challenger Sevilla | 2019/09/10 15:30 | Paolo Lorenzi v Nicolas Alvarez | 7-5,6-3 |
| Challenger Sevilla | 2019/09/09 09:00 | Nicolas Alvarez v Jules Okala | 6-2,6-4 |
| ITF M25 - Oviedo | 2019/09/05 13:30 | Orlando Luz v Nicolas Alvarez | 5-7,6-3,7-6 |
| ITF M25 - Oviedo | 2019/09/04 08:00 | Nicolas Alvarez v Benjamin Bonzi | 6-4,6-2 |
| ITF M25 - Oviedo | 2019/09/02 17:00 | Nicolas Alvarez v Dante Gennaro | 6-2,6-4 |
| Challenger Biella | 2019/09/18 11:15 | Alejandro Davidovich Fokina v Jeremy Jahn | 7-5,7-5 |
| Challenger Biella | 2019/09/16 14:10 | Jeremy Jahn v Enrico Dalla Valle | 6-3,6-4 |
| Challenger Szczecin | 2019/09/13 12:00 | Albert Ramos-Vinolas v Jeremy Jahn | 7-6,6-2 |
| Challenger Szczecin | 2019/09/12 12:45 | Jeremy Jahn v Gianluca Mager | 6-1,2-6,6-4 |
| Challenger Szczecin | 2019/09/11 08:00 | Rudolf Molleker v Jeremy Jahn | 4-6,3-6 |
| Challenger Szczecin | 2019/09/10 14:00 | Vit Kopriva v Jeremy Jahn | 5-7,4-6 |
| ITF M25 - La Marsa | 2019/09/06 10:00 | Bruno Santanna v Jeremy Jahn | 6-1,6-2 |
| ITF M25 - La Marsa | 2019/09/05 14:35 | Wilson Leite v Jeremy Jahn | 4-6,2-6 |