Stadium: Cancha Raul Viver Round: 26 Ground: Clay
| Challenger Guayaquil | 2018/10/30 20:35 | Paolo Lorenzi v Martin Cuevas | 6-4,6-7,7-6 |
| Challenger Lima | 2018/10/24 19:20 | Facundo Arguello v Paolo Lorenzi | 6-4,7-6 |
| Challenger Lima | 2018/10/23 17:30 | Gerald Melzer v Paolo Lorenzi | 6-7,6-7 |
| Challenger Santo Domingo | 2018/10/11 22:00 | Paolo Lorenzi v Federico Delbonis | 5-7,5-7 |
| Challenger Santo Domingo | 2018/10/11 15:55 | Paolo Lorenzi v Gerald Melzer | 7-6,7-6 |
| Challenger Santo Domingo | 2018/10/10 01:40 | Paolo Lorenzi v Juan Pablo Varillas | 3-6,6-1,6-0 |
| Challenger Monterrey | 2018/10/03 01:25 | Paolo Lorenzi v Jurgen Melzer | 5-7,3-6 |
| Challenger Biella | 2018/09/21 10:50 | Paolo Lorenzi v Stefano Travaglia | 2-6,5-7 |
| Challenger Guayaquil | 2018/10/29 19:45 | Pedja Krstin v Roberto Cid Subervi | 6-3,7-6 |
| Challenger Lima | 2018/10/24 01:05 | Pedja Krstin v Federico Delbonis | 2-6,2-6 |
| Challenger Santo Domingo | 2018/10/13 01:15 | Pedja Krstin v Federico Delbonis | 0-6,3-6 |
| Challenger Santo Domingo | 2018/10/11 15:25 | Emilio Gomez v Pedja Krstin | 3-6,1-6 |
| Challenger Santo Domingo | 2018/10/08 23:10 | Pedja Krstin v Roberto Cid Subervi | 6-0,6-1 |
| Challenger Monterrey | 2018/10/03 00:00 | Pedja Krstin v Pedro Martinez | 6-1,6-7,3-6 |
| Challenger Tiburon | 2018/09/24 21:00 | Pedja Krstin v Bjorn Fratangelo | 0-6,3-6 |
| Davis Cup | 2018/09/16 11:00 | Pedja Krstin v N.Sriram Balaji | 6-3,6-1 |