| Challenger Nottingham | 06/14 15:30 | 26 | [99] Yannick Maden v Ruben Bemelmans [185] | 6-4,3-6,4-6 | |
| Challenger Nottingham | 06/12 19:25 | 25 | [185] Ruben Bemelmans v Ramkumar Ramanathan [147] | 6-1,6-0 | |
| Challenger Nottingham | 06/11 14:45 | 24 | [221] Andrew Harris v Ruben Bemelmans [185] | 3-6,2-6 | |
| Challenger Surbiton | 06/05 13:10 | 25 | [162] Ruben Bemelmans v Daniel Evans [80] | 4-6,4-6 | |
| Challenger Surbiton | 06/03 12:05 | 24 | [225] John-Patrick Smith v Ruben Bemelmans [162] | 4-6,6-3,6-7 | |
| Open di Francia | 05/20 08:00 | 44 | [141] Sebastian Ofner v Ruben Bemelmans [164] | 6-2,7-6 | |
| Challenger Gwangju | 05/16 02:00 | 26 | [167] Ruben Bemelmans v Jason Jung [129] | 2-6,5-7 | |
| Challenger Gwangju | 05/15 02:00 | 25 | [167] Ruben Bemelmans v Filip Peliwo [272] | 7-6,6-2 | |
| Challenger Busan | 05/08 03:00 | 25 | [332] Evan King v Ruben Bemelmans [163] | 6-7,7-5,7-6 | |
| Challenger Seul | 04/30 03:50 | 25 | [163] Ruben Bemelmans v Max Purcell [268] | 2-6,6-7 | |
| Challenger Tunis | 04/18 11:20 | 26 | [223] Thomaz Bellucci v Ruben Bemelmans [167] | 2-6,6-3,6-3 | |
| Challenger Tunis | 04/16 11:30 | 25 | [248] Nino Serdarusic v Ruben Bemelmans [167] | 4-6,3-6 | |
| Challenger Murcia | 04/10 11:45 | 25 | [163] Ruben Bemelmans v Jose Hernandez-Fernandez [269] | 6-3,5-7,2-6 | |
| ATP Miami | 03/18 16:40 | 44 | [151] Ruben Bemelmans v Paolo Lorenzi [107] | 5-7,6-3,6-7 | |
| Challenger Phoenix | 03/11 17:00 | 24 | [122] Evgeny Donskoy v Ruben Bemelmans [145] | 6-3,6-3 | |
| ATP Indian Wells | 03/06 02:45 | 44 | [100] Daniel Evans v Ruben Bemelmans [145] | 6-4,6-4 | |
| Challenger Indian Wells | 02/25 21:55 | 24 | [187] Pedja Krstin v Ruben Bemelmans [148] | 6-3,6-4 | |
| ATP Marsiglia | 02/17 09:00 | 64 | [134] Ruben Bemelmans v Alexey Vatutin [204] | 5-7,4-6 | |
| Challenger Cherbourg | 02/14 18:20 | 26 | [134] Ruben Bemelmans v Nicolas Mahut [197] | 3-6,4-6 | |
| Challenger Cherbourg | 02/12 16:30 | 25 | [134] Ruben Bemelmans v Carlos Taberner [309] | 3-6,6-1,6-2 | |
| ATP Montpellier | 02/06 11:00 | 25 | [132] Ruben Bemelmans v Marcos Baghdatis [128] | 2-6,4-6 | |
| ATP Montpellier | 02/04 12:35 | 164 | [132] Ruben Bemelmans v Matthias Bachinger [142] | 3-6,4-6 | |
| ATP Montpellier | 02/03 12:30 | 64 | [132] Ruben Bemelmans v Matteo Donati [207] | 7-6,6-3 | |
| Australian Open | 01/09 03:05 | 44 | [116] Ruben Bemelmans v Kimmer Coppejans [216] | 5-7,4-6 | |
| ATP Pune | 12/29 07:30 | 64 | [119] Ruben Bemelmans v Sebastian Ofner [184] | 7-5,3-6,1-6 | |
| Challenger Bratislava | 11/08 13:45 | 26 | [164] Lukas Rosol v Ruben Bemelmans [119] | 4-6,6-3,7-6 | |
| Challenger Bratislava | 11/07 10:00 | 25 | [192] Rudolf Molleker v Ruben Bemelmans [119] | 4-6,3-6 | |
| Challenger Eckental | 11/04 13:00 | 29 | [129] Ruben Bemelmans v Antoine Hoang [178] | 5-7,3-6 | |
| Challenger Eckental | 11/03 15:15 | 28 | [129] Ruben Bemelmans v Evgeny Donskoy [100] | 6-2,6-3 | |
| Challenger Eckental | 11/02 17:50 | 27 | [287] Daniel Masur v Ruben Bemelmans [129] | 6-1,2-6,3-6 |