Stadium: Court 1 Round: 28 Ground: Clay
| Challenger Prostejov MD | 2021/06/16 15:00 | Nedovyesov/Oliveira v Coria/Mena | 6-2,6-4 |
| Challenger Prostejov MD | 2021/06/15 11:55 | Nedovyesov/Oliveira v Paulson/Rikl | 6-4,6-3 |
| Challenger Prostejov MD | 2021/06/16 14:25 | Erler/Weissborn v Dellien/Zeballos | 6-4,6-7,8-10 |
| Challenger Prostejov MD | 2021/06/15 10:20 | Dellien/Zeballos v Balaji/Margaroli | 7-5,6-4 |
| Challenger Biella MD | 2021/05/05 17:00 | Margaroli/Shamasdin v Dellien/Zeballos | 4-6,6-4,10-7 |
| Davis Cup | 2020/03/07 20:55 | Dellien/Zeballos v Cid Subervi/Hardt | 6-3,6-2 |
| Challenger Campinas MD | 2019/10/01 17:55 | Cerundolo/Ficovich v Dellien/Zeballos | 6-7,5-7 |
| Challenger Buenos Aires MD | 2019/09/29 14:00 | Andreozzi/Molteni v Dellien/Zeballos | 6-7,6-2,10-1 |
| Challenger Buenos Aires MD | 2019/09/27 17:00 | Dellien/Zeballos v Reyes-Varela/Romboli | 3-6,6-3,10-8 |
| Challenger Buenos Aires MD | 2019/09/26 19:20 | Estevez/Hernandez-Fernandez v Dellien/Zeballos | 3-6,1-6 |