Stadium: Centre Court Round: 27 Ground: Clay
| Challenger Sibiu | 2020/09/23 08:00 | Arthur Rinderknech v Johannes Haerteis | 3-6,6-3,6-7 |
| Challenger Sibiu | 2020/09/21 11:25 | Johannes Haerteis v Nicholas David Ionel | 7-5,6-2 |
| Challenger Iasi | 2020/09/12 09:00 | Johannes Haerteis v Alexandar Lazarov | 3-6,5-7 |
| ITF M25 Vogau | 2020/08/18 09:35 | Kacper Zuk v Johannes Haerteis | 7-5,6-3 |
| Tennis Point Exhibition Series | 2020/08/01 08:00 | Hazem Naw v Johannes Haerteis | 4-6,4-6 |
| Tennis Point Exhibition Series | 2020/07/31 08:00 | Constantin Schmitz v Johannes Haerteis | 0-6,3-6 |
| Tennis Point Exhibition Series | 2020/07/30 11:00 | Daniel Vishnick v Johannes Haerteis | 5-7,4-6 |
| Tennis Point Exhibition Series | 2020/07/29 11:10 | Luca Gelhardt v Johannes Haerteis | 4-6,3-6 |
| Challenger Sibiu | 2020/09/23 08:00 | Carlos Gomez-Herrera v Corentin Denolly | 3-6,7-6,6-3 |
| Challenger Sibiu | 2020/09/21 11:05 | Vit Kopriva v Carlos Gomez-Herrera | 2-6,3-6 |
| Challenger Sibiu | 2020/09/20 11:20 | Matteo Martineau v Carlos Gomez-Herrera | 6-3,4-6,6-7 |
| Challenger Sibiu | 2020/09/19 13:30 | Vlad Andrei Dancu v Carlos Gomez-Herrera | 6-3,3-6,3-6 |
| Adriatic Tennis Series | 2020/06/17 14:30 | Carlos Gomez-Herrera v Pedja Krstin | 3-6,4-6 |
| Adriatic Tennis Series | 2020/06/16 14:30 | Carlos Gomez-Herrera v Kalin Ivanovski | 6-2,6-0 |
| Adriatic Tennis Series | 2020/06/15 16:45 | Carlos Gomez-Herrera v Josip Krstanovic | 1-6,6-3,10-5 |
| Adriatic Tennis Series | 2020/06/09 14:00 | Marko Topo v Carlos Gomez-Herrera | 6-2,6-3 |