Round: 26 Ground: Clay
| Challenger Porto Alegre MD | 2024/05/02 00:00 | Bogo/E Isnardi v Mena/Sakellaridis | 6-7,4-6 |
| Challenger Porto Alegre MD | 2024/05/01 19:50 | Alves/Dutra Da Silva v Watanabe/Yuzuki | 7-6,6-7,10-2 |
| Challenger Concepcion MD | 2024/04/27 19:00 | Watanabe/Yuzuki v Harper/Stevenson | 6-4,7-6 |
| Challenger Concepcion MD | 2024/04/26 15:15 | Watanabe/Yuzuki v Cid Subervi/Kirkin | 6-3,5-7,11-9 |
| Challenger Concepcion MD | 2024/04/25 16:50 | Britto/Villanueva v Watanabe/Yuzuki | 7-6,3-6,4-10 |
| Challenger Concepcion MD | 2024/04/24 19:35 | Watanabe/Yuzuki v Ribero/Torres | 6-4,6-3 |
| Challenger San Miguel de Tucuman MD | 2024/04/18 20:00 | Watanabe/Yuzuki v Carou/Casanova | 4-6,6-2,8-10 |
| Challenger San Miguel de Tucuman MD | 2024/04/17 21:20 | Watanabe/Yuzuki v Justo/Kirkin | 6-3,6-3 |
| Challenger Kigali MD | 2024/03/08 12:50 | Watanabe/Yuzuki v Fancutt/Reese | 3-6,4-6 |