Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/11/12 14:00 | Karlo Cubelic v Laurin Aerne | 6-2,6-0 |
| ITF M15 Cancun | 2019/11/11 17:00 | Karlo Cubelic v Andrea Del Federico | 6-2,6-4 |
| ITF M15 Cancun | 2019/11/06 19:40 | Daniel Antonio Nunez v Karlo Cubelic | 7-6,6-4 |
| ITF M15 Liberec | 2019/10/22 13:30 | Karlo Cubelic v Stefan Seifert | 3-6,2-6 |
| ITF M15 Olomouc | 2019/10/16 09:20 | Robert Rumler v Karlo Cubelic | 4-6,6-4,6-1 |
| ITF M15 Bad Salzdetfurth | 2019/10/08 15:30 | Michal Konecny v Karlo Cubelic | 6-1,7-6 |
| ITF M15 Cancun | 2019/09/25 16:00 | Adam El Mihdawy v Karlo Cubelic | 6-3,6-4 |
| ITF M15 Cancun | 2019/09/19 15:50 | Karlo Cubelic v Adam El Mihdawy | 1-6,6-3,3-6 |
| ITF M15 Cancun | 2019/11/12 14:00 | Gabriel Ciro Da Silva v Nicholas Reyes | 3-6,7-5,10-6 |
| ITF M15 Cancun | 2019/11/11 17:00 | Gabriel Ciro Da Silva v Samuel Beren | 6-4,6-2 |
| ITF M15 Cancun | 2019/11/05 17:10 | Arklon H D Pino v Gabriel Ciro Da Silva | 6-3,6-3 |
| ITF M15 Sao Paulo | 2019/10/16 17:55 | Mateus Alves v Gabriel Ciro Da Silva | 6-1,7-6 |
| ITF M15 Sao Paulo | 2019/10/15 14:00 | Gabriel Ciro Da Silva v Joao Pedro Okano | 6-3,6-4 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Gabriel Ciro Da Silva v Natan Rodrigues | 6-4,6-2 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Gabriel Ciro Da Silva v Pedro Boscardin Dias | 4-6,2-6 |
| ITF M15 Lambare | 2019/08/21 14:00 | Joao Lucas Reis da Silva v Gabriel Ciro Da Silva | 6-2,5-7,6-4 |