Estádio: Court 3 Round: 45 Ground: Hardcourt outdoor
| ITF - M15 Oslo | 2019/03/06 09:00 | Mirko Martinez v Mats Rosenkranz | 1-6,3-6 |
| ITF - M15 Monastir | 2019/02/18 08:00 | Ivan Marrero Curbelo v Mirko Martinez | 7-6,6-4 |
| ITF - M15 Monastir | 2019/02/11 08:00 | Mirko Martinez v Tomas Liska | 2-6,3-6 |
| ITF - M25 Oberentfelden | 2019/02/04 15:30 | Mirko Martinez v Marek Jaloviec | 6-7,1-6 |
| ITF - M25 Oberentfelden | 2019/02/04 08:30 | Mirko Martinez v Giordan Kunz | 6-4,6-1 |
| ITF - Chile F3 | 2018/11/27 14:00 | Federico Moreno v Mirko Martinez | 6-3,6-7,6-1 |
| ITF - Panamá F4 | 2018/11/24 15:30 | Maximiliano Estevez v Mirko Martinez | 6-3,6-3 |
| ITF - Panamá F4 | 2018/11/23 14:00 | Daniil Zarichanskiy v Mirko Martinez | 6-4,2-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/04 08:00 | Preston Brown v Georgii Kravchenko | 3-6,1-6 |
| ATP - Delray Beach | 2019/02/16 20:05 | Alexei Popyrin v Preston Brown | 6-4,6-3 |
| ITF M15 Claremont | 2019/02/05 20:30 | Preston Brown v Lucas Renard | 4-6,2-6 |
| ITF - M25 Weston | 2019/01/29 16:35 | Adrian Obert v Preston Brown | 3-6,6-4,10-2 |
| ITF - M25 Weston | 2019/01/28 14:30 | Preston Brown v Fernando Yamacita | 7-6,2-6,10-6 |
| Challenger - Punta del Este | 2019/01/21 18:50 | Joao Souza v Preston Brown | 6-2,6-4 |
| ITF - M15 Monastir | 2019/01/15 10:15 | Luca Giacomini v Preston Brown | 6-2,6-3 |
| ITF - M15 Monastir | 2019/01/08 08:45 | Hendrik Jebens v Preston Brown | 6-3,6-0 |