Stadium: Court 1 Round: 28 Ground: Clay
| 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 Shymkent | 2018/06/05 09:20 | Jurij Rodionov v Pedja Krstin | 6-3,6-2 |
| French Open Qual | 2018/05/24 08:00 | Peter Polansky v Pedja Krstin | 6-4,6-2 |
| French Open Qual | 2018/05/22 10:05 | Pedja Krstin v Evan Furness | 6-3,6-1 |
| Challenger Heilbronn | 2018/05/14 12:00 | Pedja Krstin v Alexey Vatutin | 2-6,2-6 |
| Challenger Guadalajara | 2018/04/21 21:00 | Christopher Eubanks v Pedja Krstin | 6-2,7-6 |
| Challenger Almaty | 2018/06/14 06:35 | Tsung-Hua Yang v Enrique Lopez-Perez | 5-7,3-6 |
| Challenger Almaty | 2018/06/13 08:25 | Enrique Lopez-Perez v Uladzimir Ignatik | 6-3,6-0 |
| Challenger Almaty | 2018/06/11 06:25 | Yasutaka Uchiyama v Enrique Lopez-Perez | 7-5,3-6,2-6 |
| Challenger Shymkent | 2018/06/05 06:10 | Laurynas Grigelis v Enrique Lopez-Perez | 6-3,7-5 |
| Challenger Vicenza | 2018/05/29 14:40 | Hugo Dellien v Enrique Lopez-Perez | 6-0,5-7,6-0 |
| French Open Qual | 2018/05/22 10:25 | Enrique Lopez-Perez v Stefano Travaglia | 4-6,3-6 |
| Challenger Heilbronn | 2018/05/15 10:00 | Enrique Lopez-Perez v Rudolf Molleker | 4-6,3-6 |
| Challenger Savannah | 2018/05/02 14:30 | Enrique Lopez-Perez v Guilherme Clezar | 6-0,6-7,4-6 |