Stadium: Court 7 Round: 25 Ground: Clay
| Challenger Buenos Aires | 2018/11/11 17:50 | Matias Zukas v Juan Ignacio Galarza | 6-7,7-5,4-6 |
| Challenger Montevideo | 2018/11/04 14:00 | Matias Zukas v Federico Coria | 7-5,1-6,1-6 |
| Challenger Montevideo | 2018/11/03 16:10 | Matias Zukas v Franco Roncadelli | 6-1,6-3 |
| Challenger Lima | 2018/10/21 16:45 | Matias Zukas v Cristian Rodriguez | 4-6,1-6 |
| Challenger Lima | 2018/10/20 18:30 | Matias Zukas v Sergio Galdos | 6-4,3-6,7-5 |
| ITF Bolivia F3 | 2018/09/28 16:00 | Matias Zukas v Maximiliano Estevez | 4-6,7-6,3-6 |
| ITF Bolivia F3 | 2018/09/27 14:00 | Matias Zukas v Rodrigo Echavarria | 6-0,6-3 |
| ITF Bolivia F3 | 2018/09/25 14:00 | Matias Zukas v Mauricio A Arraya Avila | 6-3,6-1 |
| ITF Czech Republic F10 | 2018/11/14 15:10 | Kirill Kivattsev v Jiri Barnat | 3-6,4-6 |
| Challenger Ortisei | 2018/10/10 14:10 | Kirill Kivattsev v Simone Bolelli | 3-6,2-6 |
| Challenger Ortisei | 2018/10/09 13:25 | Jaume Munar v Kirill Kivattsev | 3-6,6-7 |
| Challenger Ortisei | 2018/10/08 09:45 | Kirill Kivattsev v Fabrizio Ornago | 4-6,6-3,6-4 |
| Challenger Ortisei | 2018/10/07 12:25 | Viktor Galovic v Kirill Kivattsev | 5-7,7-6,6-7 |
| Challenger Ortisei | 2018/10/06 15:30 | Kirill Kivattsev v Francesco Vilardo | 6-3,3-6,6-3 |
| ITF Turkey F29 | 2018/09/30 07:30 | Riccardo Bonadio v Kirill Kivattsev | 6-1,6-2 |
| ITF Turkey F29 | 2018/09/29 07:00 | Nikolas Sanchez Izquierdo v Kirill Kivattsev | 4-6,2-6 |