Stadium: Estadio Central Round: 25 Ground: Clay
| 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 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 Seville | 2018/09/06 21:00 | Pedja Krstin v Laurynas Grigelis | 2-6,6-3,6-4 |
| Challenger Seville | 2018/09/05 16:30 | Pedja Krstin v Mohamed Safwat | 6-2,2-6,6-2 |
| Challenger Seville | 2018/09/04 08:30 | Enrique Lopez-Perez v Pedja Krstin | 5-7,4-6 |
| US Open | 2018/08/22 20:25 | Pedja Krstin v Ugo Humbert | 6-7,6-4,6-7 |
| 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 |
| Challenger Perugia | 2018/07/10 12:45 | Daniel Gimeno-Traver v Roberto Cid Subervi | 7-5,6-3 |
| Challenger Recanati | 2018/07/02 14:15 | Roberto Cid Subervi v David Guez | 6-4,6-7,2-6 |