Stadium: Court 5 Round: 25 Ground: Clay
| Challenger Almaty | 2018/06/16 05:00 | Krstin, Pedja v Jurij Rodionov | 5-7,2-6 |
| Challenger Almaty | 2018/06/15 05:00 | Krstin, Pedja v Lopez Perez | 6-1,6-3 |
| Challenger Almaty | 2018/06/14 07:45 | Roberto Cid Subervi v Krstin, Pedja | 2-6,7-5,3-6 |
| Challenger Almaty | 2018/06/13 06:25 | Pavic, Ante v Krstin, Pedja | 4-6,2-6 |
| Challenger Almaty | 2018/06/11 09:05 | Krstin, Pedja v Mohamed Safwat | 6-4,6-2 |
| Shymkent 2, Kazakhstan | 2018/06/05 09:20 | Jurij Rodionov v Krstin, Pedja | 6-3,6-2 |
| French Open Qual | 2018/05/24 08:00 | Polansky, Peter v Krstin, Pedja | 6-4,6-2 |
| French Open Qual | 2018/05/22 10:05 | Krstin, Pedja v Evan Furness | 6-3,6-1 |
| Challenger - Lyon | 2018/06/12 11:15 | Alexei Popyrin v Safranek, Vaclav | 6-3,6-3 |
| Challenger - Prostejov | 2018/06/06 09:00 | Gerald Melzer v Safranek, Vaclav | 6-1,6-0 |
| Challenger - Prostejov | 2018/06/05 09:00 | Safranek, Vaclav v Roberto Carballes Baena | 3-6,7-6,6-4 |
| Challenger Mestre | 2018/05/24 12:10 | Arnaboldi, Andrea v Safranek, Vaclav | 6-3,6-1 |
| Challenger Mestre | 2018/05/23 16:05 | Safranek, Vaclav v Frederico Ferreira Silva | 2-6,6-2,7-6 |
| ITF Hungary F2 | 2018/05/16 11:30 | Safranek, Vaclav v Kenneth Raisma | 6-7,3-6 |
| ITF Hungary F2 | 2018/05/15 14:40 | Safranek, Vaclav v Maruscak, Matej | 7-5,1-6,6-4 |
| Challenger - Rome | 2018/05/10 11:30 | Safranek, Vaclav v Krawietz, Kevin | 6-7,6-7 |