Stadium: Estadio CIF Round: 24 Ground: Clay
| Challenger Braga | 2019/05/08 14:40 | Jurgen Zopp v Tiago Cacao | 7-5,6-2 |
| Challenger Braga | 2019/05/06 14:30 | Tiago Cacao v Francisco Cabral | 6-2,6-2 |
| ITF M15 Madrid | 2019/04/16 11:25 | Felipe Meligeni Rodrigues Alves v Tiago Cacao | 6-2,6-4 |
| ITF M15 Reus | 2019/04/09 09:50 | Tiago Cacao v Hugo Gaston | 0-6,6-3,3-6 |
| ITF M15 Quinta Do Lago | 2019/03/20 12:05 | Juan Pablo Ficovich v Tiago Cacao | 4-6,6-4,7-5 |
| ITF M15 Portimao | 2019/03/17 11:00 | Evan Hoyt v Tiago Cacao | 6-3,7-6 |
| ITF M15 Portimao | 2019/03/16 10:00 | Finn Tearney v Tiago Cacao | 2-6,5-7 |
| ITF M15 Portimao | 2019/03/15 11:35 | Tiago Cacao v Paul Oosterbaan | 6-4,6-2 |
| Challenger Francavilla | 2019/04/24 13:05 | Thomaz Bellucci v Facundo Arguello | 7-6,6-2 |
| Challenger Tunis | 2019/04/19 13:20 | Facundo Arguello v Lorenzo Giustino | 6-2,3-6,4-6 |
| Challenger Tunis | 2019/04/18 13:30 | Skander Mansouri v Facundo Arguello | 5-7,3-6 |
| Challenger Tunis | 2019/04/17 10:55 | Tomislav Brkic v Facundo Arguello | 4-6,3-6 |
| Challenger Murcia | 2019/04/10 12:40 | Mario Vilella Martinez v Facundo Arguello | 6-1,6-4 |
| Challenger Alicante | 2019/04/01 16:00 | Facundo Arguello v Daniel Gimeno-Traver | 4-6,6-3,2-6 |
| Challenger Santiago | 2019/03/07 14:00 | Alessandro Giannessi v Facundo Arguello | 4-6,6-4,6-1 |
| Challenger Santiago | 2019/03/05 20:40 | Joao Souza v Facundo Arguello | 6-4,3-6,4-6 |