Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| 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 Argentina F5 | 2016/05/02 12:00 | Juan Pablo Ficovich v Eduardo Lacalle | 6-1,6-2 |
| ITF M15 Monastir | 2021/08/22 11:00 | Tom Dynka v Chanchai Sookton-Eng | 2-6,3-6 |
| ITF M15 Monastir | 2021/08/16 08:30 | Chanchai Sookton-Eng v Masamichi Imamura | 3-6,4-6 |
| ITF M15 Monastir | 2021/08/15 09:30 | Dostanbek Tashbulatov v Chanchai Sookton-Eng | 6-7,2-6 |
| ITF M15 Monastir | 2021/08/08 08:30 | Chanchai Sookton-Eng v Egor Novikov | 2-6,0-6 |
| ITF M15 Monastir | 2021/08/03 07:30 | Chanchai Sookton-Eng v Kody Pearson | 2-6,2-6 |
| ITF M15 Monastir | 2021/08/02 08:30 | Chanchai Sookton-Eng v Aleksandr Lobanov | 6-4,6-2 |
| UTR Pro Tennis Series Bendigo | 2021/01/31 03:00 | William Ma v Chanchai Sookton-Eng | 1-6,2-5 |
| UTR Pro Tennis Series Bendigo | 2021/01/30 04:30 | Brydan Klein v Chanchai Sookton-Eng | 6-1,6-4 |