Stadium: Indoor 7 Round: 54 Ground: Hardcourt outdoor
| Davis Cup | 2024/09/14 09:10 | Coleman Wong v Marcos L C Baratau | 6-3,3-6,6-1 |
| ITF M15 Cordoba | 2024/09/04 12:50 | Valentin Garay v Marcos L C Baratau | 6-3,6-7,6-2 |
| ITF M15 Cordoba | 2024/09/02 12:30 | Marcos L C Baratau v Valentino Grippo | 6-2,7-6 |
| ITF M25 Belem | 2024/08/23 00:40 | Marcos L C Baratau v Eduardo Ribeiro | 1-6,2-6 |
| ITF M25 Belem | 2024/08/20 20:55 | Ryan A Dos Santos v Marcos L C Baratau | 6-4,3-6,3-6 |
| ITF M25 Londrina | 2024/08/13 17:15 | Tadeo Meneo v Marcos L C Baratau | 1-6,6-4,6-4 |
| ITF M25 Sao Paulo | 2024/07/10 14:55 | Bruno Fernandez v Marcos L C Baratau | 2-6,6-2,6-4 |
| ITF M25 Sao Paulo | 2024/07/09 13:00 | Marcos L C Baratau v Henrique Costanzi De Brito | 5-7,6-4,10-6 |
| ITF M25 East Lansing | 2024/07/16 14:00 | Gabrielius Guzauskas v Joshua Portnoy | 6-1,6-1 |
| ITF M15 Kingston | 2024/05/28 18:45 | Reece Falck v Joshua Portnoy | 6-3,6-3 |
| ITF M15 Kingston | 2024/05/27 15:00 | Shu Matsuoka v Joshua Portnoy | 6-3,4-6,5-10 |
| ITF M15 East Lansing | 2023/11/13 17:00 | Joshua Portnoy v Esunge Ndumbe | 6-2,6-1 |
| UTR Pro Columbus | 2023/08/19 19:36 | Chad Miller v Joshua Portnoy | 6-4,6-2 |
| UTR Pro Columbus | 2023/08/18 18:30 | Brandon Carpico v Joshua Portnoy | 6-4,7-6 |
| UTR Pro Columbus | 2023/08/17 16:05 | Alex Fuchs v Joshua Portnoy | 5-7,6-7 |
| UTR Pro Columbus | 2023/08/16 14:00 | Presley Thieneman v Joshua Portnoy | 6-4,6-1 |