Stadium: Court 1 Round: 27 Ground: Clay
| Challenger Morelos | 2018/02/21 19:45 | Pedja Krstin v Roberto Cid Subervi | 6-7,6-3,6-0 |
| Challenger Almaty | 2018/06/13 05:00 | Yusuke Takahashi v Roberto Cid Subervi | 1-6,0-6 |
| Challenger Almaty | 2018/06/12 07:40 | Duckhee Lee v Roberto Cid Subervi | 5-7,5-7 |
| Challenger Shymkent | 2018/06/09 05:00 | Yannick Hanfmann v Roberto Cid Subervi | 7-6,4-6,6-2 |
| Challenger Shymkent | 2018/06/08 05:00 | Roberto Cid Subervi v Hugo Dellien | 6-7,6-4,6-1 |
| Challenger Shymkent | 2018/06/07 06:00 | Roberto Cid Subervi v Sebastian Ofner | 6-2,6-1 |
| Challenger Shymkent | 2018/06/06 06:55 | Nino Serdarusic v Roberto Cid Subervi | 2-6,4-6 |
| Challenger Shymkent | 2018/06/04 08:05 | Roberto Cid Subervi v Tsung-Hua Yang | 1-6,6-0,6-1 |
| Challenger Puerto Vallarta | 2018/05/03 23:25 | Adrian Menendez-Maceiras v Roberto Cid Subervi | 6-4,7-6 |
| 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 Guadalajara | 2018/04/20 21:00 | Pedja Krstin v Darian King | 6-2,1-6,6-2 |