| 2021-09-18 | Davis Cup WG1 R1: BEL vs BOL | Clay | RR | 221 | Ruben Bemelmans | 1332 | Murkel Dellien | 7-6(2) 6-2 | H2H | 3 | 117 | 4 | 4 | 50.7% | 68.4% | 45.9% | 10/14 |
| 2021-09-18 | Davis Cup WG1 R1: BEL vs BOL | Clay | RR | 144 | Hugo Dellien | 221 | Ruben Bemelmans | 6-3 6-4 | H2H | 3 | 77 | 4 | 3 | 67.3% | 81.8% | 43.8% | 0/1 |
| 2020-03-06 | Davis Cup QLS R1: BEL vs HUN | Clay | RR | 84 | Marton Fucsovics | 222 | Ruben Bemelmans | 6-7(7) 6-4 6-2 | H2H | 3 | 140 | 8 | 1 | 63.1% | 84.9% | 71.0% | 0/0 |
| 2020-03-06 | Davis Cup QLS R1: BEL vs HUN | Clay | RR | 222 | Ruben Bemelmans | 76 | Attila Balazs | 5-7 7-6(4) 6-4 | H2H | 3 | 155 | 7 | 2 | 66.0% | 77.9% | 54.3% | 3/5 |
| 2019-07-01 | Wimbledon | Grass | R128 | 19 | Stan Wawrinka (22) | 171 | Ruben Bemelmans (Q) | 6-3 6-2 6-2 | H2H | 5 | 87 | 7 | 4 | 57.5% | 76.2% | 77.4% | 0/0 |
| 2019-02-04 | Montpellier | Hard | R32 | 128 | Marcos Baghdatis (Q) | 132 | Ruben Bemelmans (LL) | 6-2 6-4 | H2H | 3 | 74 | 7 | 3 | 65.5% | 77.8% | 47.4% | 3/4 |
| 2018-10-22 | Vienna | Hard | R32 | 7 | Dominic Thiem (1) | 134 | Ruben Bemelmans (Q) | 7-5 7-6(5) | H2H | 3 | 105 | 7 | 2 | 61.3% | 71.7% | 72.4% | 3/3 |
| 2018-10-15 | Antwerp | Hard | R32 | 38 | Gael Monfils (6) | 110 | Ruben Bemelmans (WC) | 6-0 6-3 | H2H | 3 | 64 | 12 | 1 | 68.9% | 74.2% | 64.3% | 1/2 |
| 2018-09-24 | Chengdu | Hard | R16 | 13 | Fabio Fognini (1) | 114 | Ruben Bemelmans (Q) | 6-4 7-6(2) | H2H | 3 | 95 | 7 | 7 | 62.3% | 79.1% | 50.0% | 2/3 |
| 2018-09-24 | Chengdu | Hard | R32 | 114 | Ruben Bemelmans (Q) | 69 | Mischa Zverev | 6-3 2-0 RET | H2H | 3 | 46 | 1 | 0 | 64.5% | 65.0% | 72.7% | 2/2 |