Stadium: Center Court Round: 24 Ground: Carpet indoor
| Challenger - Hamburg | 2019/10/21 14:55 | John-Patrick Smith v Ruben Bemelmans | 5-7,4-6 |
| Challenger - Glasgow | 2019/09/18 13:35 | Viktor Durasovic v John-Patrick Smith | 6-1,6-4 |
| Challenger - Cary | 2019/09/12 18:30 | Andreas Seppi v John-Patrick Smith | 6-3,6-2 |
| Challenger - Cary | 2019/09/11 17:40 | Nicolas Mejia v John-Patrick Smith | 4-6,5-7 |
| Challenger New Haven | 2019/09/04 17:50 | John-Patrick Smith v Henri Laaksonen | 6-7,6-7 |
| Challenger New Haven | 2019/09/03 15:20 | Nicolas Mejia v John-Patrick Smith | 7-6,3-6,4-6 |
| US Open | 2019/08/20 20:45 | John-Patrick Smith v Viktor Galovic | 6-7,4-6 |
| ATP - Los Cabos | 2019/07/28 00:00 | Dominik Koepfer v John-Patrick Smith | 6-2,6-4 |
| Challenger - Hamburg | 2019/10/22 08:00 | Cem Ilkel v Johannes Haerteis | 7-5,6-1 |
| Challenger - Ismaning | 2019/10/17 11:00 | Zdeněk Kolář v Johannes Haerteis | 6-7,6-7 |
| Challenger - Ismaning | 2019/10/16 11:50 | Johannes Haerteis v Robin Haase | 6-4,6-7,7-6 |
| Challenger - Ismaning | 2019/10/14 15:10 | Johannes Haerteis v Maximilian Neuchrist | 6-4,6-4 |
| Challenger Nur-Sultan 2 | 2019/10/01 04:00 | Fabien Reboul v Johannes Haerteis | 6-4,6-7,6-3 |
| Challenger - Glasgow | 2019/09/18 15:05 | Johannes Haerteis v Tobias Kamke | 3-6,4-6 |
| Challenger - Glasgow | 2019/09/17 16:10 | Johannes Haerteis v Scott Duncan | 6-3,6-3 |
| Challenger - Štetín | 2019/09/11 14:00 | Albert Ramos-Vinolas v Johannes Haerteis | 6-2,6-4 |