Dominican Republic: M15 Santo Domingo 2 - Doubles - Main |
| 1/8-finals | Chappell N./Smith K. | Mendoza A./Zeballos F. | 2:0 (6:4, 6:4) | details | 08.12.2020 |
Dominican Republic: M15 Santo Domingo - Doubles - Main |
| Semi-finals | Lama G./March A. C. | Mendoza A./Zeballos F. | 2:1 (7:64, 3:6, 18:16) | details | 04.12.2020 |
| Quarter-finals | Civita-Telles L./Huertas Del Pino C. | Mendoza A./Zeballos F. | 0:2 (2:6, 68:7) | details | 03.12.2020 |
| 1/8-finals | Arconada J./Damm M. | Mendoza A./Zeballos F. | 0:2 (5:7, 5:7) | details | 01.12.2020 |
World: Davis Cup - World Group I - Doubles - Preliminary |
| | Dellien H./Zeballos F. | Cid Subervi R./Hardt N. | 2:0 (6:3, 6:2) | details | 07.03.2020 |
| | Arias B./Zeballos F. | Cid Subervi R./Hardt N. | CAN. | details | 07.03.2020 |
Argentina: M25 Rio Cuarto - Doubles - Main |
| Semi-finals | Etcheverry T. M./Kestelboim M. | Zeballos F./Zukas M. | 2:1 (4:6, 6:4, 11:9) | details | 28.02.2020 |
| Quarter-finals | Galarza J. I./Juarez F. | Zeballos F./Zukas M. | 0:2 (3:6, 2:6) | details | 27.02.2020 |
| 1/8-finals | Comesana F./Monzon I. | Zeballos F./Zukas M. | 0:2 (1:6, 1:6) | details | 25.02.2020 |
Uruguay: M25 Punta del Este - Doubles - Main |
| Quarter-finals | Arguello F./Egea F. E. | Zeballos F./Zukas M. | 2:1 (7:69, 62:7, 10:8) | details | 20.02.2020 |
| 1/8-finals | Franco T./Villanueva G. | Zeballos F./Zukas M. | 0:2 (2:6, 5:7) | details | 17.02.2020 |
Peru: M25 Lima 2 - Doubles - Main |
| Semi-finals | Galdos S./Huertas Del Pino C. | Zeballos F./Zukas M. | 2:1 (65:7, 6:4, 10:4) | details | 14.02.2020 |
| Quarter-finals | Zeballos F./Zukas M. | Olivieri G. A./Ugo Carabelli C. | WO. | details | 13.02.2020 |
| 1/8-finals | Zeballos F./Zukas M. | Agamenone F./Riquelme Coppari A. | 2:0 (6:2, 6:2) | details | 11.02.2020 |
Peru: M25 Lima - Doubles - Main |
| 1/8-finals | Meligeni Rodrigues Alves F./Santanna B. | Mendoza A./Zeballos F. | 2:0 (7:64, 7:62) | details | 04.02.2020 |
USA: Champaign - Doubles - Main |
| 1/8-finals | Arias B./Zeballos F. | Glasspool L./Lawson A. | 0:2 (3:6, 5:7) | details | 14.11.2019 |
Uruguay: Montevideo - Doubles - Main |
| Semi-finals | Luz O./Matos R. | Arias B./Zeballos F. | 2:0 (6:4, 6:3) | details | 09.11.2019 |
| Quarter-finals | Martinez L. D./Meligeni Rodrigues Alves F. | Arias B./Zeballos F. | 0:2 (1:6, 2:6) | details | 08.11.2019 |
| 1/8-finals | Llanes F./Roncadelli F. | Arias B./Zeballos F. | 0:2 (4:6, 2:6) | details | 06.11.2019 |
Ecuador: Guayaquil - Doubles - Main |
| Quarter-finals | Arias B./Zeballos F. | Martinez L. D./Meligeni Rodrigues Alves F. | 0:2 (2:6, 4:6) | details | 31.10.2019 |
| 1/8-finals | Galan Riveros D. E./Mena F. | Arias B./Zeballos F. | 1:2 (6:1, 3:6, 4:10) | details | 29.10.2019 |
Peru: Lima - Doubles - Main |
| 1/8-finals | Menezes J./Zeballos F. | Behar A./Escobar G. | 0:2 (4:6, 4:6) | details | 23.10.2019 |
Dominican Republic: Santo Domingo - Doubles - Main |
| Quarter-finals | Arevalo M./Reyes-Varela M. | Galdos S./Zeballos F. | 2:0 (6:4, 6:4) | details | 11.10.2019 |
| 1/16-finals | Galdos S./Zeballos F. | Gaio F./Giannessi A. | 2:0 (6:4, 6:0) | details | 09.10.2019 |
Brazil: Campinas - Doubles - Main |
| Quarter-finals | Dellien H./Zeballos F. | Galdos S./Mayer L. | WO. | details | 04.10.2019 |
| 1/8-finals | Cerundolo F./Ficovich J. P. | Dellien H./Zeballos F. | 0:2 (68:7, 5:7) | details | 01.10.2019 |
Argentina: Buenos Aires 2 - Doubles - Main |
| Final | Andreozzi G./Molteni A. | Dellien H./Zeballos F. | 2:1 (63:7, 6:2, 10:1) | details | 29.09.2019 |
| Semi-finals | Dellien H./Zeballos F. | Reyes-Varela M./Romboli F. | 2:1 (3:6, 6:3, 10:8) | details | 27.09.2019 |
| Quarter-finals | Estevez M./Hernandez-Fernandez J. | Dellien H./Zeballos F. | 0:2 (3:6, 1:6) | details | 26.09.2019 |