Stadium: Estadio Round: 25 Ground: Hardcourt outdoor
| Challenger Panama City | 2018/04/04 17:00 | Juan Ignacio Londero v Ante Pavic | 6-4,6-4 |
| Challenger Panama City | 2018/04/03 16:00 | Ante Pavic v Darian King | 6-1,6-4 |
| Challenger Le Gosier | 2018/03/29 22:10 | Denis Kudla v Ante Pavic | 6-1,6-1 |
| Challenger Le Gosier | 2018/03/27 19:30 | Santiago Giraldo v Ante Pavic | 2-6,6-3,6-7 |
| Challenger Drummondville | 2018/03/14 22:30 | Vasek Pospisil v Ante Pavic | 7-5,6-3 |
| ITF Canada F2 | 2018/03/06 18:35 | Ante Pavic v Michael Redlicki | 4-6,7-6,5-7 |
| Challenger Indian Wells Qual | 2018/02/24 19:55 | Sebastian Fanselow v Ante Pavic | 6-7,7-6,7-6 |
| Challenger Morelos | 2018/02/21 18:00 | Ante Pavic v Dennis Novikov | 4-6,6-7 |
| ITF Turkey F12 | 2018/03/27 07:30 | Luis Patino v Dimitar Kuzmanov | 2-6,2-6 |
| ITF Turkey F11 | 2018/03/24 08:00 | Luis Patino v Genaro Alberto Olivieri | 3-6,4-6 |
| ITF Turkey F11 | 2018/03/23 10:00 | Luis Patino v Juan Pablo Paz | 6-4,6-4 |
| ITF Turkey F11 | 2018/03/22 10:20 | Luis Patino v Marcelo Zormann | 6-0,6-4 |
| ITF Turkey F11 | 2018/03/21 07:30 | Thomas Statzberger v Luis Patino | 3-6,4-6 |
| ITF Turkey F11 | 2018/03/18 07:00 | Luis Patino v Bulut Ozcelik | 6-1,2-6,6-3 |
| ITF Turkey F11 | 2018/03/17 08:30 | Luis Patino v Erwin Troebinger | 6-1,6-3 |
| ITF Turkey F10 | 2018/03/16 07:30 | Luis Patino v Juan Pablo Varillas | 2-6,4-6 |