Stadion: Court 4 Round: 62 Ground: Clay
| ITF - M15 - Brasilia | 2021/11/02 12:00 | Gabriel P Tumasonis v Eduardo Lacalle | 6-3,4-6,11-9 |
| ITF - M15 - Brasilia | 2021/11/01 12:00 | Matheus T Rezende v Eduardo Lacalle | 1-6,4-6 |
| ITF - M15 - Ibague | 2021/09/06 20:45 | Eduardo Lacalle v Juan Sebastian Osorio | 4-6,7-5,7-10 |
| ITF - M15 - Monastir | 2021/08/29 08:00 | Eduardo Lacalle v Michael Zhu | 6-1,6-2 |
| 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 |