Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Prague | 2019/11/06 14:40 | Oleksii Krutykh v Johannes Haerteis | 4-6,7-6,6-2 |
| Challenger Eckental | 2019/10/29 09:00 | John-Patrick Smith v Johannes Haerteis | 7-6,6-7,7-6 |
| Challenger Hamburg | 2019/10/22 08:00 | Cem Ilkel v Johannes Haerteis | 7-5,6-1 |
| Challenger Ismaning | 2019/10/17 11:00 | Zdenek Kolar 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 |
| ITF M15 Benicarlo | 2019/10/25 07:55 | Pablo Llamas Ruiz v Alexander Zhurbin | 5-7,6-7 |
| ITF M15 Benicarlo | 2019/10/24 10:10 | Maxime Mora v Pablo Llamas Ruiz | 1-6,4-6 |
| ITF M15 Benicarlo | 2019/10/23 11:50 | Richard Zusman v Pablo Llamas Ruiz | 1-6,1-6 |
| ITF M25 Riba-Roja de Turia | 2019/10/08 07:00 | Nicolas Alvarez Varona v Pablo Llamas Ruiz | 6-4,6-4 |
| ITF M25 Riba-Roja de Turia | 2019/10/07 07:00 | Zakhar Trapeznikov v Pablo Llamas Ruiz | 3-6,2-6 |
| ITF M15 Sabadell | 2019/10/03 11:15 | Nikolas Sanchez Izquierdo v Pablo Llamas Ruiz | 6-4,4-6,6-4 |
| ITF M15 Sabadell | 2019/10/01 10:00 | Pablo Llamas Ruiz v Xavier Gabarro | 6-4,4-6,6-2 |
| ITF M25 Madrid | 2019/09/19 08:00 | Pablo Llamas Ruiz v Pol Martin Tiffon | 2-6,3-6 |