Stadium: Grandstand Round: 27 Ground: Clay
| Challenger Panama City | 2017/04/08 23:00 | Pedja Krstin v Rogerio Dutra Silva | 2-6,4-6 |
| Challenger Milan | 2018/06/27 09:00 | Pedja Krstin v Mathias Bourgue | 6-4,6-4 |
| Challenger Milan | 2018/06/26 09:00 | Pedja Krstin v Pedro Martinez | 7-6,6-0 |
| Challenger Poprad Tatry | 2018/06/19 10:55 | Pedja Krstin v Vaclav Safranek | 5-7,6-4,6-7 |
| Challenger Almaty | 2018/06/16 05:00 | Pedja Krstin v Jurij Rodionov | 5-7,2-6 |
| Challenger Almaty | 2018/06/15 05:00 | Pedja Krstin v Enrique Lopez-Perez | 6-1,6-3 |
| Challenger Almaty | 2018/06/14 07:45 | Roberto Cid Subervi v Pedja Krstin | 2-6,7-5,3-6 |
| Challenger Almaty | 2018/06/13 06:25 | Ante Pavic v Pedja Krstin | 4-6,2-6 |
| Challenger Almaty | 2018/06/11 09:05 | Pedja Krstin v Mohamed Safwat | 6-4,6-2 |
| Challenger Milan | 2018/06/27 15:30 | Hugo Grenier v Rogerio Dutra Silva | 4-6,3-6 |
| Challenger Milan | 2018/06/25 12:35 | Daniel Munoz-De La Nava v Rogerio Dutra Silva | 4-6,1-6 |
| Challenger L'Aquila | 2018/06/18 13:55 | Pedro Martinez v Rogerio Dutra Silva | 5-7,7-6,6-4 |
| French Open | 2018/05/28 11:25 | Rogerio Dutra Silva v Novak Djokovic | 3-6,4-6,4-6 |
| French Open Qual | 2018/05/25 11:20 | Rogerio Dutra Silva v Zdenek Kolar | 6-0,6-4 |
| French Open Qual | 2018/05/24 08:00 | Rogerio Dutra Silva v Andrej Martin | 6-2,6-0 |
| French Open Qual | 2018/05/22 08:00 | Rogerio Dutra Silva v Cristian Garin | 7-6,6-4 |
| Challenger Bordeaux | 2018/05/14 15:55 | Rogerio Dutra Silva v Ernests Gulbis | 6-3,3-6,2-6 |