| French Open | 05/28 09:00 | 23 | [64] Horacio Zeballos v Adrian Mannarino [53] | 7-5,6-3,6-4 | |
| ATP - Geneva | 05/24 11:20 | 26 | [26] Steve Johnson v Horacio Zeballos [64] | 6-1,6-3 | |
| ATP - Geneva | 05/23 10:00 | 25 | [64] Horacio Zeballos v Dusan Lajovic [79] | 6-4,0-6,7-5 | |
| ATP - München | 05/05 14:05 | 27 | [158] Guido Pella v Horacio Zeballos [63] | 6-3,6-7,7-6 | |
| ATP - München | 05/04 09:00 | 26 | [63] Horacio Zeballos v Philipp Kohlschreiber [39] | 7-6,6-4 | |
| ATP - München | 05/02 10:30 | 25 | [63] Horacio Zeballos v Andreas Seppi [72] | 5-7,6-2,7-5 | |
| ATP - Barcelona | 04/29 14:15 | 28 | [5] Rafael Nadal v Horacio Zeballos [84] | 6-3,6-4 | |
| ATP - Barcelona | 04/28 17:35 | 27 | [56] Karen Khachanov v Horacio Zeballos [84] | 4-6,1-6 | |
| ATP - Barcelona | 04/27 17:25 | 26 | [84] Horacio Zeballos v Benoit Paire [49] | 6-4,3-6,7-6 | |
| ATP - Barcelona | 04/26 15:15 | 25 | [37] Joao Sousa v Horacio Zeballos [84] | 6-7,5-7 | |
| ATP - Barcelona | 04/25 17:35 | 24 | [99] Santiago Giraldo v Horacio Zeballos [84] | 2-6,3-6 | |
| Challenger - Sarasota | 04/21 18:00 | 27 | [155] Jürgen Melzer v Horacio Zeballos [85] | Retired | |
| Challenger - Sarasota | 04/20 16:30 | 26 | [137] Stefan Kozlov v Horacio Zeballos [85] | 1-6,6-7 | |
| Challenger - Sarasota | 04/18 17:00 | 25 | [392] Daniel Elahi Galan v Horacio Zeballos [85] | 5-7,1-6 | |
| ATP - Houston | 04/13 21:15 | 26 | [87] Horacio Zeballos v Sam Querrey [25] | 4-6,4-6 | |
| ATP - Houston | 04/12 16:00 | 25 | [87] Horacio Zeballos v Rogerio Dutra Silva [69] | 6-2,7-5 | |
| Challenger Panama City | 04/06 21:00 | 27 | Horacio Zeballos v Pedja Krstin | 6-7,7-5,4-6 | |
| Challenger Panama City | 04/06 19:44 | - | [86] Horacio Zeballos v Pedja Krstin [424] | 6-7,7-5,4-5 | |
| Challenger Panama City | 04/06 02:30 | 26 | Horacio Zeballos v Jose H-Fernandez | 6-3,7-5 | |
| Challenger Panama City | 04/04 00:30 | 25 | Horacio Zeballos v Miomir Kecmanovic | 2-6,6-4,6-2 | |
| ATP - Miami | 03/25 15:00 | 24 | [3] Stan Wawrinka v Horacio Zeballos [75] | 6-3,6-4 | |
| ATP - Miami | 03/23 18:45 | 23 | [89] Gastao Elias v Horacio Zeballos [75] | 7-6,2-6,5-7 | |
| Challenger Irving | 03/15 17:00 | 25 | [73] Horacio Zeballos v Borna Coric [59] | 6-7,3-6 | |
| ATP - Indian Wells | 03/12 23:10 | 24 | [16] Nick Kyrgios v Horacio Zeballos [73] | 6-3,6-4 | |
| ATP - Indian Wells | 03/11 04:20 | 23 | [111] Marius Copil v Horacio Zeballos [73] | 7-6,6-7,4-6 | |
| ATP Sao Paulo | 02/28 19:05 | 25 | Horacio Zeballos v Joao Souza | 2-6,6-7 | |
| ATP - Rio De Janeiro | 02/23 19:30 | 26 | Horacio Zeballos v Alexandr Dolgopolov | 6-7,6-4,4-6 | |
| ATP - Rio De Janeiro | 02/21 21:25 | 25 | [66] Carlos Berlocq v Horacio Zeballos [73] | 2-6,3-6 | |
| ATP - Buenos Aires | 02/15 02:00 | 25 | Horacio Zeballos v Joao Sousa | 2-6,6-7 | |
| ATP Quito | 02/06 17:00 | 25 | Gerald Melzer v Horacio Zeballos | 6-7,6-3,7-6 |
Wikipedia - Horacio Zeballos
Horacio Zeballos (født 27. april 1985 i Mar del Plata, Argentina) er en professionel mandlig tennisspiller fra Argentina.