Stadium: Cancha 1 Round: 25 Ground: Clay
| Challenger - Punta del Este | 2018/02/28 21:00 | Krstin, Pedja v Federico Gaio | 2-6,6-3,4-6 |
| Challenger - Punta del Este | 2018/02/28 01:00 | Laslo Djere v Krstin, Pedja | 3-6,6-7 |
| Challenger - Morelos | 2018/02/23 20:00 | Novikov, Dennis v Krstin, Pedja | 6-1,6-4 |
| Challenger - Morelos | 2018/02/22 22:00 | Krstin, Pedja v King, Kevin | 6-4,6-4 |
| Challenger - Morelos | 2018/02/21 19:45 | Krstin, Pedja v Roberto Cid Subervi | 6-7,6-3,6-0 |
| Challenger - Morelos | 2018/02/19 20:45 | Krstin, Pedja v Hank, Tigre | 6-3,6-0 |
| Challenger Budapest | 2018/02/07 09:00 | Krstin, Pedja v Galovic, Viktor | 2-6,0-6 |
| Coupe Davis | 2018/02/04 12:55 | Krstin, Pedja v Steve Johnson | 6-1,7-5 |
| Challenger Budapest | 2018/02/08 11:00 | de Greef, Arthur v Zopp, Jurgen | 3-6,6-7 |
| Challenger Budapest | 2018/02/06 12:20 | de Greef, Arthur v Jahn, Jeremy | 6-1,6-3 |
| Challenger - Quimper | 2018/01/30 19:05 | de Greef, Arthur v Millot, Vincent | 2-6,4-6 |
| Challenger Rennes | 2018/01/23 15:30 | de Greef, Arthur v Antoine Hoang | 6-7,6-3,3-6 |
| Australian Open Qual | 2018/01/10 04:50 | de Greef, Arthur v Mathias Bourgue | 6-3,3-6,4-6 |
| Challenger Playford | 2018/01/02 07:45 | de Greef, Arthur v Alex Bolt | 3-6,4-6 |
| Brest, France | 2017/10/24 16:30 | Benjamin Bonzi v de Greef, Arthur | 4-6,7-5,6-3 |
| ATP Antwerp Qual | 2017/10/15 14:20 | Mathias Bourgue v de Greef, Arthur | 7-6,6-3 |