Stadium: C Round: 25 Ground: Hardcourt outdoor
| US Open | 2018/08/28 18:00 | Ruben Bemelmans v Jaume Munar | 7-5,3-6,6-7,6-2,1-6 |
| US Open | 2018/08/24 17:00 | Facundo Bagnis v Ruben Bemelmans | 6-3,6-7,6-2 |
| US Open | 2018/08/23 15:00 | Constant Lestienne v Ruben Bemelmans | 4-6,3-6 |
| US Open | 2018/08/21 16:35 | Kevin King v Ruben Bemelmans | 4-6,3-6 |
| Challenger Vancouver | 2018/08/16 20:50 | Lloyd Harris v Ruben Bemelmans | 6-1,6-3 |
| Challenger Vancouver | 2018/08/14 22:30 | Felix Auger Aliassime v Ruben Bemelmans | 4-6,2-6 |
| ATP Newport | 2018/07/16 15:00 | Denis Kudla v Ruben Bemelmans | 6-3,6-4 |
| Wimbledon | 2018/07/05 12:45 | John Isner v Ruben Bemelmans | 6-1,6-4,6-7,6-7,7-5 |
| Challenger Chicago | 2018/09/03 23:05 | Hugo Nys v Marcos Giron | 6-1,6-4 |
| Challenger Chicago | 2018/09/02 21:50 | Andrew Harris v Hugo Nys | 4-6,3-6 |
| Challenger Chicago | 2018/09/02 18:25 | Aleksandar Kovacevic v Hugo Nys | 6-3,3-6,4-6 |
| ATP Monte Carlo Qual | 2018/04/14 11:05 | Hugo Nys v Dusan Lajovic | 2-6,4-6 |
| Challenger Lille Qual | 2018/03/17 12:55 | Hugo Nys v Daniel Masur | 5-7,6-7 |
| Challenger Noumea Qual | 2017/12/30 03:45 | Alejandro Gonzalez v Hugo Nys | 6-4,6-3 |
| Challenger Mouilleron Le Captif Qual | 2017/11/04 16:40 | Hugo Nys v Constant Lestienne | 6-4,3-6,6-7 |
| Challenger Brest Qual | 2017/10/23 09:00 | Hugo Nys v Yannik Reuter | 4-6,5-7 |