| PSA World Championships | 05/12 17:15 | 8 | Cardenas, Leonel v Coll, Paul | 0-3 | |
| PSA World Championships | 05/10 13:45 | 7 | Salazar, Cesar v Cardenas, Leonel | 0-3 | |
| El Gouna International | 04/21 13:30 | 9 | Momen, Tarek v Cardenas, Leonel | 3-1 | |
| El Gouna International | 04/20 12:15 | 8 | Makin, Joel v Cardenas, Leonel | 2-3 | |
| El Gouna International | 04/19 12:15 | 7 | Seif Tamer v Cardenas, Leonel | 0-3 | |
| Black Ball Open | 04/11 18:00 | 7 | Cardenas, Leonel v Aly Abou Eleinen | 1-3 | |
| Squash in the Land | 03/10 18:05 | 1 | Cardenas, Leonel v Jaume, Bernat | 3-0 | |
| Squash in the Land | 03/09 21:00 | 2 | Cardenas, Leonel v Lobban, Greg | 3-2 | |
| Squash in the Land | 03/07 22:00 | 3 | Ng, Eain Yow v Cardenas, Leonel | 2-3 | |
| Squash in the Land | 03/07 00:30 | 8 | Finnlay Withington v Cardenas, Leonel | 0-3 | |
| Windy City Open 2020 | 02/23 23:45 | 9 | Farag, Ali v Cardenas, Leonel | 3-1 | |
| Windy City Open 2020 | 02/22 20:45 | 8 | Cardenas, Leonel v Bernabeu, Iker Pajares | 3-1 | |
| Windy City Open 2020 | 02/21 18:45 | 7 | Cardenas, Leonel v Baillargeon, David | 3-1 | |
| Squash On Fire Open | 02/15 01:15 | 7 | Ben Smith v Cardenas, Leonel | 3-1 | |
| JP Morgan Tournament of Champions | 01/17 23:30 | 7 | Lau, Tsz Kwan v Cardenas, Leonel | 3-1 | |
| Florida Open | 01/11 21:30 | 8 | Cardenas, Leonel v Asal, Mostafa | 0-3 | |
| Florida Open | 01/09 23:30 | 7 | Cardenas, Leonel v Elnawsany, Yahya | 3-2 | |
| US Open | 10/08 21:00 | 8 | Cardenas, Leonel v Kandra, Raphael | 0-3 | |
| US Open | 10/07 21:00 | 7 | Cardenas, Leonel v Jaume, Bernat | 3-1 | |
| Louisville Open | 09/27 22:00 | 3 | Cardenas, Leonel v Vargas, Juan Camilo | 2-3 | |
| Louisville Open | 09/27 00:00 | 8 | Cardenas, Leonel v Veer Chotrani | 3-2 | |
| Charlottesville Open | 09/16 17:00 | 3 | Cardenas, Leonel v Wall, Nick | 1-3 | |
| Charlottesville Open | 09/15 19:00 | 8 | Cardenas, Leonel v Aly Hussein | 3-1 | |
| Paris Squash | 08/29 10:45 | 9 | Momen, Tarek v Cardenas, Leonel | 3-0 | |
| Paris Squash | 08/28 12:15 | 8 | Cardenas, Leonel v Bonmalais, Sebastien | 3-0 | |
| Paris Squash | 08/27 10:45 | 7 | Cardenas, Leonel v Antonin Romieu | 3-0 | |
| Windsor Cup | 08/16 19:30 | 8 | Cardenas, Leonel v Douglas, Andrew | 1-3 | |
| El Gouna International | 05/27 11:15 | 8 | Cardenas, Leonel v Ng, Eain Yow | 1-3 | |
| El Gouna International | 05/26 09:45 | 7 | Cardenas, Leonel v Brownell, Timothy | 3-0 | |
| Manchester Open | 05/18 11:45 | 8 | Cardenas, Leonel v Momen, Tarek | 0-3 |