Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| ATP Eastbourne | 2021/06/19 10:00 | Ilya Ivashka v John-Patrick Smith | 6-4,7-6 |
| Challenger Nottingham | 2021/06/06 10:00 | Ruben Bemelmans v John-Patrick Smith | 7-6,6-3 |
| ATP Bělehrad | 2021/05/22 13:25 | John-Patrick Smith v Carlos Gomez-Herrera | 4-6,6-7 |
| Challenger Bělehrad | 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 Singapur | 2021/02/23 06:35 | John-Patrick Smith v Radu Albot | 2-6,6-3,1-6 |
| ATP Singapur | 2021/02/21 04:00 | Malek Jaziri v John-Patrick Smith | 5-7,6-7 |
| ATP Singapur | 2021/02/20 03:00 | Roy Hobbs v John-Patrick Smith | 1-6,1-6 |