Stadium: Cancha 2 Round: 26 Ground: Clay
| Challenger Quito | 2021/09/14 19:20 | Andrej Martin v Pol Martin Tiffon | 6-7,5-7 |
| Challenger Seville | 2021/09/05 11:55 | Pol Martin Tiffon v Mats Rosenkranz | 4-6,6-7 |
| ITF M25 Santander | 2021/08/27 10:30 | Alex M Pujolras v Pol Martin Tiffon | 3-6,6-4,6-0 |
| ITF M25 Santander | 2021/08/26 15:00 | Pablo Llamas Ruiz v Pol Martin Tiffon | 2-6,3-6 |
| ITF M25 Santander | 2021/08/25 11:40 | Max Alcala Gurri v Pol Martin Tiffon | 3-6,5-7 |
| ITF M25 Muttenz | 2021/08/20 14:20 | Pol Martin Tiffon v Otto Virtanen | 4-6,2-6 |
| ITF M25 Muttenz | 2021/08/19 07:55 | Alessandro Bega v Pol Martin Tiffon | 2-6,6-4,4-6 |
| ITF M25 Muttenz | 2021/08/17 10:00 | Dylan Dietrich v Pol Martin Tiffon | 2-6,0-6 |
| Challenger Quito | 2021/09/14 19:35 | Alejandro Gonzalez v Luca Castelnuovo | 6-2,7-6 |
| Challenger Mallorca | 2021/09/01 15:05 | Alejandro Gonzalez v Jan Zielinski | 7-6,6-7,4-6 |
| Challenger Mallorca | 2021/08/31 08:00 | Jan Zielinski v Alejandro Gonzalez | 1-6,2-6 |
| Challenger Mallorca | 2021/08/30 13:00 | Ruan Roelofse v Alejandro Gonzalez | 6-7,2-6 |
| ITF M25 Caslano | 2021/08/28 11:30 | Remy Bertola v Alejandro Gonzalez | 6-2,6-4 |
| ITF M25 Caslano | 2021/08/27 09:30 | Alejandro Gonzalez v Mateus Alves | 6-3,3-6,7-6 |
| ITF M25 Caslano | 2021/08/26 08:30 | Alejandro Gonzalez v Jakub Paul | 6-2,7-5 |
| ITF M25 Caslano | 2021/08/25 13:10 | Alejandro Gonzalez v Noah Schlagenhauf | 6-4,6-1 |