Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2019/07/31 13:30 | Kalman Boyd v Joncour, Ronan | 5-7,3-6 |
| ITF M15 Cancun | 2019/07/23 13:30 | Brandon Walkin v Joncour, Ronan | 6-2,3-6,6-0 |
| ITF M25 Arlon | 2019/06/25 08:00 | Joncour, Ronan v Vandenbulcke, Yannick | 6-7,1-6 |
| ITF M25 Arlon | 2019/06/24 09:35 | Joncour, Ronan v Nickels, Christophe | 6-3,6-1 |
| ITF - M25 Angers | 2019/04/23 10:30 | Joncour, Ronan v Lescure, Mick | 3-6,4-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/18 11:40 | Joncour, Ronan v Coppini, Alessandro | 4-6,4-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/17 11:30 | Bergevi, Filip v Joncour, Ronan | 3-6,3-6 |
| Bolton, Qualifications Simples M-ITF-GBR-03A | 2019/04/04 12:05 | Joncour, Ronan v Igor Sijsling | 1-6,2-6 |
| ITF M15 Cancun | 2019/08/12 19:00 | Murillo, Sebastian v Valencia, Alejandro | 6-7,6-0,5-10 |
| ITF M15 Cancun | 2019/07/08 18:30 | Hadigian, Eric v Murillo, Sebastian | 6-2,6-2 |
| ITF M15 Cancun | 2019/07/01 14:30 | Abdelouahid, Anas v Murillo, Sebastian | 6-4,7-6 |
| ITF M15 Cancun | 2019/06/26 13:30 | Major, Kevin v Murillo, Sebastian | 6-1,6-2 |
| ITF M15 Cancun | 2019/06/24 17:00 | Ricardo F R Estrada v Murillo, Sebastian | 5-7,1-6 |
| ITF M15 Cancun | 2019/06/24 13:30 | Reyna, Eduardo v Murillo, Sebastian | 0-6,0-6 |
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/18 13:00 | Knight, Alexander v Murillo, Sebastian | 6-0,7-6 |
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/17 13:00 | Abdelouahid, Anas v Murillo, Sebastian | 3-6,1-6 |