Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Brasilia | 2021/11/02 12:00 | Gabriel P Tumasonis v Lacalle, Eduardo | 6-3,4-6,11-9 |
| ITF M15 Brasilia | 2021/11/01 12:00 | Trevisan Rezende, Matheus v Lacalle, Eduardo | 1-6,4-6 |
| ITF M15 Ibague | 2021/09/06 20:45 | Lacalle, Eduardo v Juan Sebastian Osorio | 4-6,7-5,7-10 |
| ITF - M15 Monastir | 2021/08/29 08:00 | Lacalle, Eduardo v Michael Zhu | 6-1,6-2 |
| ITF - M15 Monastir | 2021/08/23 09:00 | Lacalle, Eduardo v Sookton-Eng, Chanchai | 2-6,1-6 |
| ITF - M15 Monastir | 2021/08/22 11:00 | Adas, Seif v Lacalle, Eduardo | 3-6,7-5,8-10 |
| ITF M25 Guayaquil | 2021/08/04 14:30 | Lacalle, Eduardo v Mora, Maxime | 3-6,0-6 |
| ITF M25 Guayaquil | 2021/08/02 18:30 | Lacalle, Eduardo v Juan Diego Rojas Mora | 6-3,6-3 |