| ATP Anversa | 10/16 15:35 | 14 | [147] Geoffrey Blancaneaux v Ruben Bemelmans [184] | 4-6,6-3,6-3 | |
| Challenger Ilkley | 06/12 16:25 | 14 | [168] Zizou Bergs v Ruben Bemelmans [316] | 7-6,6-4 | |
| Challenger Tunis | 05/16 12:35 | 25 | [266] Zhizhen Zhang v Ruben Bemelmans [304] | 6-3,6-1 | |
| Challenger Heilbronn | 05/08 11:45 | 14 | [395] Rudolf Molleker v Ruben Bemelmans [299] | 6-4,3-6,7-6 | |
| ITF M25 Nottingham | 04/19 12:10 | 25 | [466] Henry Patten v Ruben Bemelmans [301] | 5-7,6-3,6-2 | |
| ITF M25 Nottingham | 04/16 12:10 | 28 | [219] Antoine Escoffier v Ruben Bemelmans [301] | 7-6,6-3 | |
| ITF M25 Nottingham | 04/15 09:00 | 27 | [301] Ruben Bemelmans v Charles Broom [497] | 6-2,1-6,6-1 | |
| ITF M25 Nottingham | 04/14 10:35 | 26 | Ruben Bemelmans v Daniel Little | 6-4,6-4 | |
| ITF M25 Nottingham | 04/12 09:20 | 25 | Ruben Bemelmans v Michael Shaw | 7-6,6-3 | |
| Challenger Lugano | 03/28 09:30 | 19 | [299] Ruben Bemelmans v Gijs Brouwer [356] | 6-3,3-6,3-6 | |
| Challenger Lugano | 03/27 12:35 | 14 | [299] Ruben Bemelmans v Giovanni Fonio [416] | 7-5,6-4 | |
| Challenger Biel | 03/22 11:40 | 25 | [303] Ruben Bemelmans v Marek Gengel [430] | 6-7,6-7 | |
| Challenger Torino | 02/28 16:35 | 25 | [278] Ruben Bemelmans v Thomas Fabbiano [177] | 7-5,3-6,6-7 | |
| Challenger Pau | 02/24 18:00 | 26 | [295] Ruben Bemelmans v Gilles Simon [148] | 6-7,5-7 | |
| Challenger Pau | 02/23 14:00 | 25 | [295] Ruben Bemelmans v Elliot Benchetrit [411] | 4-6,6-4,6-4 | |
| Challenger Forlì | 02/15 09:00 | 25 | [347] Benjamin Hassan v Ruben Bemelmans [210] | 6-4,6-4 | |
| Challenger Cherbourg | 02/11 12:10 | 27 | [188] Zizou Bergs v Ruben Bemelmans [218] | 6-3,6-3 | |
| Challenger Cherbourg | 02/10 13:25 | 26 | [218] Ruben Bemelmans v Quentin Halys [139] | 7-6,5-7,6-3 | |
| Challenger Cherbourg | 02/09 12:15 | 25 | [218] Ruben Bemelmans v Maxime Janvier [251] | 6-2,6-4 | |
| Challenger Quimper | 01/27 12:45 | 26 | [214] Ruben Bemelmans v Hiroki Moriya [288] | 5-7,1-6 | |
| Challenger Quimper | 01/25 09:30 | 25 | [149] Roman Safiullin v Ruben Bemelmans [214] | 6-7,3-6 | |
| Australian Open | 01/10 23:00 | 14 | Ruben Bemelmans v Andrea Vavassori | 2-6,6-7 | |
| Australian Open | 01/10 23:00 | 14 | [214] Ruben Bemelmans v Nuno Borges [192] | Cancelled | |
| Challenger Bendigo | 01/03 04:45 | 24 | [212] Ruben Bemelmans v Vit Kopriva [198] | 4-6,4-6 | |
| Challenger Eckental | 11/03 12:15 | 26 | [68] Jordan Thompson v Ruben Bemelmans [219] | Retired | |
| Challenger Eckental | 11/02 11:05 | 25 | [219] Ruben Bemelmans v Tobias Simon [469] | 6-7,6-3,7-5 | |
| Challenger Ismaning | 10/28 13:35 | 26 | [221] Ruben Bemelmans v Quentin Halys [148] | 6-7,7-6,4-6 | |
| Challenger Ismaning | 10/27 12:20 | 25 | Henri Squire v Ruben Bemelmans | 3-6,4-6 | |
| Challenger Mouilleron le Captif | 10/04 16:00 | 25 | [223] Ruben Bemelmans v Constant Lestienne [258] | 3-6,6-3,5-7 | |
| Challenger Orleans | 10/01 11:55 | 27 | [121] Dennis Novak v Ruben Bemelmans [222] | 7-6,7-6 |