Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/23 09:00 | Eduardo Lacalle v Chanchai Sookton-Eng | 2-6,1-6 |
| ITF M15 Monastir | 2021/08/22 11:00 | Seif Adas v Eduardo Lacalle | 3-6,7-5,8-10 |
| ITF M25 Guayaquil | 2021/08/04 14:30 | Eduardo Lacalle v Maxime Mora | 3-6,0-6 |
| ITF M25 Guayaquil | 2021/08/02 18:30 | Eduardo Lacalle v Juan Diego Rojas Mora | 6-3,6-3 |
| ITF M25 Guayaquil | 2021/08/02 14:00 | Andres Urrea v Eduardo Lacalle | 4-6,7-5,7-10 |
| ITF M25 Guayaquil | 2021/08/01 14:00 | Eduardo Lacalle v Jorge Ruiz | 7-5,6-4 |
| ITF M25 Portoviejo | 2021/07/26 14:30 | Brandon Perez v Eduardo Lacalle | 6-1,7-6 |
| Challenger Santiago 2 Qual | 2016/10/15 15:06 | Eduardo Lacalle v Gabriel Alejandro Hidalgo | 0-6,3-6 |
| ITF M15 Monastir | 2021/08/22 10:00 | Michael Zhu v Bharath Nishok Kumaran | 4-6,7-5,6-10 |
| ITF M15 Monastir | 2021/07/29 09:40 | Michael Zhu v Matias Franco Descotte | 4-6,1-6 |
| ITF M15 Monastir | 2021/07/28 09:30 | Michael Zhu v Drew Baird | 7-5,0-6,6-3 |
| ITF M15 Monastir | 2021/07/26 14:00 | Michael Zhu v Mehdi Sadaoui | 6-4,7-5 |
| ITF M15 Monastir | 2021/07/26 08:00 | Michael Zhu v Wissam Abderrahman | 6-2,3-6,10-8 |
| ITF M15 Monastir | 2021/07/25 09:00 | Michael Zhu v Masood Eisa-Beygi | 6-0,6-1 |
| ITF M15 Monastir | 2021/07/21 08:30 | Adam El Mihdawy v Michael Zhu | 6-1,1-6,6-2 |
| ITF M15 Monastir | 2021/07/12 14:30 | Michael Zhu v Mark Mandlik | 6-4,2-6,1-10 |