| ATP Όκλαντ | 01/05 02:00 | 64 | [173] Horacio Zeballos v Λάσλο Ντζέρε [93] | 5-7,2-6 | |
| ΑΤP Σανγκάη | 10/06 07:15 | 45 | [160] Horacio Zeballos v Τέιλορ Φριτζ [60] | 3-6,2-6 | |
| ATP Τόκιο | 09/29 02:00 | 64 | [65] Ντένις Κούντλα v Horacio Zeballos [154] | 6-2,3-6,6-4 | |
| Ντέιβις Καπ | 09/16 14:10 | 26 | Horacio Zeballos v Νικόλας Μέχια | 7-5,6-2 | |
| ATP Γουίνστον-Σάλεμ | 08/21 19:00 | 25 | [45] Πίτερ Γκόγιοβτσικ v Horacio Zeballos [149] | 6-4,6-7,6-1 | |
| ATP Γουίνστον-Σάλεμ | 08/20 21:15 | 24 | [149] Horacio Zeballos v Λούκας Λάτσκο [77] | 7-6,7-5 | |
| ATP Γουίνστον-Σάλεμ | 08/19 19:00 | 164 | [384] Φράνκο Σκούγκορ v Horacio Zeballos [148] | 1-6,4-6 | |
| ATP Γουίνστον-Σάλεμ | 08/18 16:00 | 64 | Σκάντερ Μανσούρι v Horacio Zeballos | 4-6,6-2,4-6 | |
| ATP Μπάσταντ | 07/17 10:55 | 25 | [120] Horacio Zeballos v Φεντερίκο Ντελμπόνις [87] | 7-6,2-6,2-6 | |
| Γουίμπλεντον | 07/05 13:00 | 24 | [126] Horacio Zeballos v Νόβακ Τζόκοβιτς [21] | 1-6,2-6,3-6 | |
| Γουίμπλεντον | 07/03 15:20 | 23 | [105] Γκουίντο Αντρεότσι v Horacio Zeballos [126] | 6-4,6-7,4-6,4-6 | |
| Γαλλικό Όπεν | 05/31 14:10 | 24 | [10] Τζον Ίσνερ v Horacio Zeballos [103] | 6-7,7-6,7-6,6-2 | |
| Γαλλικό Όπεν | 05/28 15:50 | 23 | [103] Horacio Zeballos v Γιουίτσι Σουγκίτα [48] | 6-4,6-7,6-4,6-2 | |
| ATP Λιόν | 05/21 09:00 | 25 | [68] Ντούσαν Λάϊοβιτς v Horacio Zeballos [101] | 6-4,6-2 | |
| ATP Rome Qual | 05/12 11:40 | 45 | [48] Ζοάο Σόουζα v Horacio Zeballos [100] | 6-4,6-0 | |
| ATP Χιούστον | 04/13 00:25 | 26 | [16] Τζακ Σοκ v Horacio Zeballos [66] | 6-4,6-4 | |
| ATP Χιούστον | 04/10 18:55 | 25 | [66] Horacio Zeballos v Γιοσίτο Νισιόκα [380] | 6-1,6-2 | |
| ATP Μαϊάμι | 03/22 19:00 | 23 | [108] Ντούσαν Λάϊοβιτς v Horacio Zeballos [66] | 3-6,7-6,6-4 | |
| ATP Ίντιαν Γουέλς | 03/11 00:20 | 24 | Πάμπλο Καρένιο-Μπούστα v Horacio Zeballos | 3-6,6-3,7-6 | |
| ATP Ίντιαν Γουέλς | 03/08 19:00 | 23 | Horacio Zeballos v Γιουίτσι Σουγκίτα | 6-7,6-4,7-6 | |
| ATP Sao Paulo | 03/03 17:30 | 28 | Νίκολας Τζάρι v Horacio Zeballos | 6-7,6-4,6-4 | |
| ATP Sao Paulo | 03/02 20:10 | 27 | Horacio Zeballos v Rogerio Dutra Silva | 6-7,6-2,6-4 | |
| ATP Sao Paulo | 03/01 22:30 | 26 | Γκαέλ Μονφίς v Horacio Zeballos | 3-6,6-3,3-6 | |
| ATP Sao Paulo | 02/27 22:30 | 25 | Τόμαζ Μπελούτσι v Horacio Zeballos | 6-7,6-3,3-6 | |
| ATP Ρίο Ντε Τζανέιρο | 02/20 22:40 | 25 | Γκαέλ Μονφίς v Horacio Zeballos | 7-5,3-6,7-5 | |
| ATP Μπουένος Άϊρες | 02/14 23:55 | 26 | Ντόμινικ Τιέμ v Horacio Zeballos | 6-4,6-3 | |
| ATP Μπουένος Άϊρες | 02/13 22:15 | 25 | Horacio Zeballos v Μάρκο Κετσινάτο | 6-1,6-4 | |
| ATP Quito | 02/06 17:00 | 25 | Horacio Zeballos v Τιάγκο Μοντέιρο | 4-6,6-7 | |
| Αυστραλιανό Όπεν | 01/16 04:25 | 23 | Horacio Zeballos v Φάμπιο Φονίνι | 4-6,4-6,5-7 | |
| ATP Μπρισμπέιν | 01/03 01:00 | 26 | Horacio Zeballos v Alexandr Dolgopolov | 1-6,2-6 |
Wikipedia - Horacio Zeballos
Horacio Zeballos Jr. (Rioplatense Spanish: [oˈɾasjo seˈβaʃos]; born 27 April 1985) is an Argentine professional tennis player. His career-high singles ranking is world No. 39, achieved in March 2013, and his career-high doubles ranking is world No. 3, achieved in September 2019. In doubles, he has reached the men's doubles finals at the 2019 US Open and at Wimbledon in 2021 and 2023 alongside Marcel Granollers. In singles, he has reached the fourth round at the French Open, doing so in 2017.
Zeballos won his first ATP title at the 2013 VTR Open in Chile on 10 February. In the final, he beat Rafael Nadal, becoming one of only four players (with Roger Federer, Novak Djokovic and Andy Murray) to beat Nadal in a clay-court final.
He has also reached the final in St. Petersburg in 2009, Russia, losing to Ukrainian Sergiy Stakhovsky. Zeballos won the 2009 ATP Newcomer of the Year award.
He reached his first doubles final at the Chile Open in Santiago in 2010, with partner Potito Starace. They lost to top seeds Łukasz Kubot and Oliver Marach. He won his first doubles title at the Argentina Open with Sebastián Prieto.