Stadium: Curb Event Center Round: 27 Ground: Hardcourt indoor
| ATP Houston Qual | 2014/04/07 18:20 | Ryan Harrison v Ruben Bemelmans | 1-6,7-5,7-6 |
| ATP Miami | 2018/03/21 15:00 | Ryan Harrison v Joao Sousa | 6-7,6-7 |
| ATP Indian Wells | 2018/03/09 01:05 | Ryan Harrison v Federico Delbonis | 2-6,6-4,5-7 |
| ATP Acapulco | 2018/03/01 23:30 | Ryan Harrison v Alexander Zverev | 4-6,1-6 |
| ATP Acapulco | 2018/02/28 23:30 | Ryan Harrison v Diego Schwartzman | 6-3,5-7,6-4 |
| ATP Acapulco | 2018/02/27 01:00 | John Isner v Ryan Harrison | 3-6,6-7 |
| ATP Delray Beach | 2018/02/20 16:00 | Reilly Opelka v Ryan Harrison | 7-6,7-6 |
| ATP New York | 2018/02/15 20:00 | Ryan Harrison v Ivo Karlovic | 4-6,4-6 |
| ATP New York | 2018/02/13 00:30 | Ryan Harrison v Donald Young | 6-3,7-6 |
| Davis Cup | 2018/04/07 00:30 | Sam Querrey v Ruben Bemelmans | 6-1,7-6,7-5 |
| Challenger Le Gosier | 2018/03/31 19:25 | Ruben Bemelmans v Denis Kudla | 2-6,6-7 |
| Challenger Le Gosier | 2018/03/30 23:00 | Calvin Hemery v Ruben Bemelmans | 2-6,4-6 |
| Challenger Le Gosier | 2018/03/29 18:00 | Evan Song v Ruben Bemelmans | 4-6,4-6 |
| Challenger Le Gosier | 2018/03/27 20:55 | Yannick Mertens v Ruben Bemelmans | 5-7,1-6 |
| ATP Miami Qual | 2018/03/20 14:00 | Ruben Bemelmans v Alex De Minaur | 4-6,3-6 |
| ATP Miami Qual | 2018/03/19 15:35 | Ruben Bemelmans v Joao Souza | 7-5,6-3 |
| ATP Indian Wells | 2018/03/11 21:20 | Ruben Bemelmans v Leonardo Mayer | 4-6,1-6 |