| Challenger Orleans | 09/30 11:35 | 26 | [222] Ruben Bemelmans v Pierre-Hugues Herbert [100] | 3-6,7-5,6-4 | |
| Challenger Orleans | 09/28 08:30 | 25 | [182] Joao Sousa v Ruben Bemelmans [222] | 4-6,6-4,4-6 | |
| Challenger Biel | 09/22 10:45 | 25 | [221] Ruben Bemelmans v Marc-Andrea Huesler [159] | 3-6,6-3,6-7 | |
| Coppa Davis | 09/19 19:45 | - | Murkel Dellien v Ruben Bemelmans | 6-7,2-6 | |
| Coppa Davis | 09/18 15:00 | - | [144] Hugo Dellien v Ruben Bemelmans [221] | 6-3,6-4 | |
| US Open | 08/27 16:30 | 19 | [224] Ruben Bemelmans v Maxime Cressy [151] | 6-4,2-6,5-7 | |
| US Open | 08/26 18:10 | 15 | [127] Hugo Gaston v Ruben Bemelmans [224] | 1-6,1-6 | |
| US Open | 08/24 19:30 | 14 | [224] Ruben Bemelmans v Jesper De Jong [259] | 7-5,7-6 | |
| US Open | 08/24 17:35 | 14 | Ruben Bemelmans v Dudi Sela | Cancelled | |
| Challenger - Meerbusch | 08/10 10:45 | 25 | [224] Ruben Bemelmans v Damir Dzumhur [123] | 3-6,3-6 | |
| ATP Los Cabos | 07/19 00:00 | 19 | [228] Ruben Bemelmans v Nicolas Mejia [298] | 3-6,6-7 | |
| ATP Los Cabos | 07/18 00:00 | 14 | Ruben Bemelmans v Lucas Gomez | 7-6,7-6 | |
| ATP Newport | 07/12 16:00 | 19 | [167] Sebastian Ofner v Ruben Bemelmans [228] | 6-4,3-6,6-3 | |
| ATP Newport | 07/11 15:00 | 14 | [321] Sasikumar Mukund v Ruben Bemelmans [217] | 5-7,4-6 | |
| Wimbledon | 06/23 13:25 | 19 | [131] Christopher O'Connell v Ruben Bemelmans [208] | 6-7,6-3,7-5 | |
| Wimbledon | 06/22 10:00 | 14 | [208] Ruben Bemelmans v Renzo Olivo [203] | 6-2,7-5 | |
| ATP Queen's | 06/12 11:35 | 14 | [201] Ruben Bemelmans v Illya Marchenko [161] | 3-6,6-1,2-6 | |
| Challenger Nottingham | 06/07 10:00 | 19 | [201] Ruben Bemelmans v Borna Gojo [233] | 3-6,3-6 | |
| Challenger Nottingham | 06/06 10:00 | 14 | [201] Ruben Bemelmans v John-Patrick Smith [352] | 7-6,6-3 | |
| Open di Francia | 05/25 11:25 | 14 | [200] Ruben Bemelmans v Alessandro Giannessi [159] | 4-6,7-6,5-7 | |
| Challenger Biella | 05/03 10:40 | 25 | Hamad Medjedovic v Ruben Bemelmans | 7-5,7-6 | |
| Challenger Roma | 04/26 13:00 | 25 | [202] Ruben Bemelmans v Federico Gaio [138] | 6-3,3-6,2-6 | |
| Challenger Roma | 04/21 09:00 | 25 | [210] Bernard Tomic v Ruben Bemelmans [202] | 6-3,6-4 | |
| Challenger Cherbourg | 02/14 14:00 | 29 | [232] Ruben Bemelmans v Lukas Rosol [198] | 6-4,6-4 | |
| Challenger Cherbourg | 02/13 14:00 | 28 | [232] Ruben Bemelmans v Arthur Rinderknech [138] | 6-3,3-6,7-5 | |
| Challenger Cherbourg | 02/12 10:30 | 27 | [392] Michael Geerts v Ruben Bemelmans [232] | 6-4,1-6,6-7 | |
| Challenger Cherbourg | 02/11 11:15 | 26 | [232] Ruben Bemelmans v Denis Istomin [184] | 6-4,7-6 | |
| Challenger Cherbourg | 02/10 10:00 | 25 | [232] Ruben Bemelmans v Corentin Denolly [335] | 3-6,6-1,6-4 | |
| Challenger Quimper - Qual. | 01/31 11:50 | 14 | [225] Ruben Bemelmans v Evan Furness [423] | 6-4,5-7,3-6 | |
| Challenger Quimper | 01/24 15:35 | 14 | [225] Ruben Bemelmans v Manuel Guinard [305] | 3-6,2-6 |