Stadium: Court 1 Round: 28 Ground: Clay
| Challenger Prostejov MD | 2021/06/16 15:00 | Nedovyesov/Oliveira v Coria F / Mena F | 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 H / Zeballos F | 6-4,6-7,8-10 |
| Challenger Prostejov MD | 2021/06/15 10:20 | Dellien H / Zeballos F v Balaji/Margaroli | 7-5,6-4 |
| Challenger Biella MD | 2021/05/05 17:00 | Margaroli L / Shamasdin A v Dellien H / Zeballos F | 4-6,6-4,10-7 |
| Coupe Davis | 2020/03/07 20:55 | Dellien H / Zeballos F v Cid Subervi/Hardt | 6-3,6-2 |
| Challenger Campinas MD | 2019/10/01 17:55 | Cerundolo F / Ficovich J P v Dellien H / Zeballos F | 6-7,5-7 |
| Challenger - Buenos Aires - Doubles Hommes | 2019/09/29 14:00 | Andreozzi G / Molteni A v Dellien H / Zeballos F | 6-7,6-2,10-1 |
| Challenger - Buenos Aires - Doubles Hommes | 2019/09/27 17:00 | Dellien H / Zeballos F v Reyes-Varela M A / Romboli F | 3-6,6-3,10-8 |
| Challenger - Buenos Aires - Doubles Hommes | 2019/09/26 19:20 | Estevez M / Hernandez-Fernandez J v Dellien H / Zeballos F | 3-6,1-6 |