Stadium: Cancha 7 Round: 19 Ground: Clay
| ITF M15 Casablanca | 2023/06/20 09:00 | Mateo Barreiros Reyes v Nikos Lehmann | 3-6,6-2,10-3 |
| Challenger San Miguel de Tucuman | 2024/04/14 17:00 | Mateo Barreiros Reyes v Romeo Arcuschin | 6-3,7-5 |
| Challenger - Florianopolis | 2024/04/03 17:35 | Daniel Cukierman v Mateo Barreiros Reyes | 6-2,4-6,6-2 |
| Challenger - Florianopolis | 2024/04/02 13:00 | Mateo Barreiros Reyes v Francisco Comesana | 6-4,6-3 |
| Challenger - Florianopolis | 2024/04/01 15:25 | Mateo Barreiros Reyes v Jose Pereira | 7-6,7-5 |
| Challenger - Florianopolis | 2024/03/31 17:40 | Bruno Kuzuhara v Mateo Barreiros Reyes | 6-4,6-7,4-6 |
| Challenger - São Leopoldo | 2024/03/24 15:25 | Daniel Cukierman v Mateo Barreiros Reyes | 7-6,6-3 |
| ITF - M25 Maceio | 2024/03/19 17:00 | Mateo Barreiros Reyes v Rafael Tosetto | 4-6,4-6 |
| ITF - M25 Feira De Santana | 2024/03/12 13:00 | Mateo Barreiros Reyes v Harrison Adams | 4-6,2-6 |
| Challenger San Miguel de Tucuman | 2024/04/14 18:45 | Andres Urrea v Nikos Lehmann | 2-6,2-6 |
| ITF - M15 Bragado | 2024/04/04 13:00 | Nikos Lehmann v Matias Franco Descotte | 3-6,3-6 |
| ITF - M15 Bragado | 2024/04/03 12:30 | Tadeo Meneo v Nikos Lehmann | 2-6,6-3,1-6 |
| ITF - M15 Bragado | 2024/03/26 12:30 | Nikos Lehmann v Maximilian Figl | 6-7,1-6 |
| ITF - M15 Bragado | 2024/03/25 12:30 | Nikos Lehmann v Nahuel Fernandez | 6-4,7-5 |
| ITF - M15 Punta del Este | 2024/03/22 13:00 | Lautaro Midon v Nikos Lehmann | 6-3,6-0 |
| ITF - M15 Punta del Este | 2024/03/21 14:35 | Enzo Kohlmann De Freitas v Nikos Lehmann | 3-6,6-4,4-6 |
| ITF - M15 Punta del Este | 2024/03/16 16:45 | Joaquin Aguillar Cardozo v Nikos Lehmann | 4-6,6-0,6-2 |