Stadium: Court 3 Round: 14 Ground: Hardcourt indoor
| Challenger Hamburg | 2019/10/21 14:55 | John-Patrick Smith v Ruben Bemelmans | 5-7,4-6 |
| Challenger Surbiton | 2019/06/03 12:05 | John-Patrick Smith v Ruben Bemelmans | 4-6,6-3,6-7 |
| Challenger Drummondville | 2017/03/18 16:30 | John-Patrick Smith v Ruben Bemelmans | 4-6,1-6 |
| French Open | 2021/05/25 11:25 | Ruben Bemelmans v Alessandro Giannessi | 4-6,7-6,5-7 |
| Challenger Biella | 2021/05/03 10:40 | Hamad Medjedovic v Ruben Bemelmans | 7-5,7-6 |
| Challenger Rome | 2021/04/26 13:00 | Ruben Bemelmans v Federico Gaio | 6-3,3-6,2-6 |
| Challenger Rome | 2021/04/21 09:00 | Bernard Tomic v Ruben Bemelmans | 6-3,6-4 |
| Challenger Cherbourg | 2021/02/14 14:00 | Ruben Bemelmans v Lukas Rosol | 6-4,6-4 |
| Challenger Cherbourg | 2021/02/13 14:00 | Ruben Bemelmans v Arthur Rinderknech | 6-3,3-6,7-5 |
| Challenger Cherbourg | 2021/02/12 10:30 | Michael Geerts v Ruben Bemelmans | 6-4,1-6,6-7 |
| Challenger Cherbourg | 2021/02/11 11:15 | Ruben Bemelmans v Denis Istomin | 6-4,7-6 |
| ATP Belgrade | 2021/05/22 13:25 | John-Patrick Smith v Carlos Gomez-Herrera | 4-6,6-7 |
| Challenger Belgrade | 2021/04/11 11:25 | John-Patrick Smith v Marius Copil | 5-7,3-6 |
| ATP Acapulco | 2021/03/13 22:30 | Denis Kudla v John-Patrick Smith | 6-4,6-4 |
| ATP Singapore | 2021/02/23 06:35 | John-Patrick Smith v Radu Albot | 2-6,6-3,1-6 |
| ATP Singapore | 2021/02/21 04:00 | Malek Jaziri v John-Patrick Smith | 5-7,6-7 |
| ATP Singapore | 2021/02/20 03:00 | Roy Hobbs v John-Patrick Smith | 1-6,1-6 |
| ATP Great Ocean Road Open | 2021/02/02 00:00 | John-Patrick Smith v Tennys Sandgren | 3-6,7-5,4-6 |
| Australian Open | 2021/01/13 12:25 | Bernard Tomic v John-Patrick Smith | 6-4,5-7,7-6 |