Stadium: Court 3 Round: 26 Ground: Clay
| ITF M25 Rosario | 2023/06/28 16:30 | Hernando J E Isnardi v Gonzalo Zeitune | 2-6,1-6 |
| ITF M25 Rosario | 2023/06/27 12:00 | Nicolas Hollender v Gonzalo Zeitune | 5-7,1-6 |
| ITF M25 Rosario | 2023/06/26 13:00 | Nicolas G Longo v Gonzalo Zeitune | 6-4,2-6,7-10 |
| ITF M25 Rosario | 2023/06/25 12:00 | Rocco Mariani v Gonzalo Zeitune | 0-6,3-6 |
| ITF M25 Salta | 2022/11/02 17:40 | Juan Bautista Otegui v Gonzalo Zeitune | 6-2,6-2 |
| ITF M25 Salta | 2022/11/01 14:30 | Gonzalo Zeitune v Rocco Valente | 5-7,6-3,10-6 |
| ITF M25 Salta | 2022/10/31 14:45 | Gonzalo Ariel Karakachian v Gonzalo Zeitune | 3-6,1-6 |
| ITF M15 Lambare | 2021/12/13 20:00 | Gonzalo Zeitune v Tobias Franco | 1-6,3-6 |
| ITF M25 Rosario | 2023/06/27 17:45 | Juan Manuel La Serna v Guido Ivan Justo | 0-6,6-7 |
| ITF M15 Rabat | 2023/06/13 13:10 | Pedro Rodenas v Guido Ivan Justo | 7-6,7-6 |
| Tanger, Singles M-ITF-MAR-01A | 2023/06/09 09:00 | Filip Cristian Jianu v Guido Ivan Justo | 3-6,6-0,6-1 |
| Tanger, Singles M-ITF-MAR-01A | 2023/06/08 13:10 | Ahouda, Walid v Guido Ivan Justo | 6-7,1-6 |
| Tanger, Singles M-ITF-MAR-01A | 2023/06/07 09:00 | Francois Musitelli v Guido Ivan Justo | 4-6,1-6 |
| Challenger - Florianopolis | 2023/04/20 14:55 | Tomas Barrios Vera v Guido Ivan Justo | 3-6,6-3,6-3 |
| Challenger - Florianopolis | 2023/04/19 14:40 | Gonzalo Villanueva v Guido Ivan Justo | 3-6,7-6,2-6 |
| Challenger - Florianopolis | 2023/04/17 13:30 | Guido Ivan Justo v Conner Huertas Del Pino | 6-3,6-4 |