Stadium: Cancha Raul Viver Round: 25 Ground: Clay
| Challenger Santo Domingo | 2018/10/08 23:10 | Pedja Krstin v Roberto Cid Subervi | 6-0,6-1 |
| Challenger Almaty | 2018/06/14 07:45 | Roberto Cid Subervi v Pedja Krstin | 2-6,7-5,3-6 |
| Challenger Morelos | 2018/02/21 19:45 | Pedja Krstin v Roberto Cid Subervi | 6-7,6-3,6-0 |
| 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 |
| Challenger Seville | 2018/09/07 19:25 | Pedja Krstin v Kimmer Coppejans | 6-4,2-6,3-6 |
| Challenger Lima | 2018/10/23 19:00 | Roberto Cid Subervi v Pablo Andujar | 3-6,3-6 |
| Challenger Santo Domingo | 2018/10/08 23:10 | Pedja Krstin v Roberto Cid Subervi | 6-0,6-1 |
| Challenger Monterrey | 2018/10/05 01:40 | Roberto Cid Subervi v David Ferrer | 2-6,7-6,2-6 |
| Challenger Monterrey | 2018/10/02 18:00 | Kevin King v Roberto Cid Subervi | 4-6,6-2,4-6 |
| Challenger Columbus | 2018/09/18 19:35 | Roberto Cid Subervi v Kaichi Uchida | 6-7,6-7 |
| Challenger Cary | 2018/09/10 18:00 | Roberto Cid Subervi v Kaichi Uchida | 3-6,1-6 |
| Challenger Chicago | 2018/09/04 15:00 | John-Patrick Smith v Roberto Cid Subervi | 2-6,6-1,6-4 |
| US Open | 2018/08/21 20:30 | Roberto Cid Subervi v Bjorn Fratangelo | 3-6,6-7 |