Stadium: Centre Court Round: 25 Ground: Clay
| Challenger Francavilla | 2018/04/23 10:15 | Casper Ruud v Arthur De Greef | 7-5,2-6,6-1 |
| Challenger Barletta Qual | 2018/04/08 11:05 | Arthur De Greef v Maxime Chazal | 3-6,7-6,5-7 |
| Challenger Barletta Qual | 2018/04/07 12:35 | Arthur De Greef v Andrea Vavassori | 6-1,6-2 |
| Challenger Alicante Qual | 2018/04/01 08:30 | Arthur De Greef v Federico Gaio | 6-7,1-6 |
| Challenger Marbella Qual | 2018/03/26 09:00 | Kimmer Coppejans v Arthur De Greef | 4-6,6-1,6-4 |
| Challenger Marbella Qual | 2018/03/25 11:30 | Eduard Esteve Lobato v Arthur De Greef | 4-6,3-6 |
| Challenger Marbella Qual | 2018/03/24 15:00 | Alberto Romero De Avila Senise v Arthur De Greef | 2-6,4-6 |
| Challenger Santiago | 2018/03/05 16:30 | Pedja Krstin v Arthur De Greef | 6-3,3-6,6-0 |
| ATP Budapest Qual | 2018/04/21 10:25 | Elias Ymer v Sergiy Stakhovsky | 6-3,6-3 |
| ATP Monte Carlo Qual | 2018/04/15 11:45 | Sergiy Stakhovsky v Dusan Lajovic | 4-6,4-6 |
| ATP Monte Carlo Qual | 2018/04/14 12:35 | Viktor Troicki v Sergiy Stakhovsky | 1-6,3-6 |
| Challenger St Brieuc | 2018/03/28 14:00 | Sergiy Stakhovsky v Tobias Kamke | 4-6,3-6 |
| ATP Miami Qual | 2018/03/20 20:55 | Ricardas Berankis v Sergiy Stakhovsky | 3-6,6-3,6-0 |
| ATP Miami Qual | 2018/03/19 18:55 | Evan King v Sergiy Stakhovsky | 3-6,6-4,6-7 |
| Challenger Irving | 2018/03/14 21:20 | Sergiy Stakhovsky v Steve Johnson | 7-5,6-7,4-6 |
| ATP Indian Wells Qual | 2018/03/07 21:30 | Cameron Norrie v Sergiy Stakhovsky | 6-4,6-2 |