Stadion: Court 3 Round: 28 Ground: Carpet indoor
| ITF - M25 - Nussloch - Herrendoppel | 2020/01/22 20:00 | Brancaccio/Zeppieri v Fallert/Ocleppo | 3-6,7-5,7-10 |
| ITF - M25 - Nussloch - Herrendoppel | 2020/01/21 15:25 | Fallert/Ocleppo v Handel/Kurz | 6-0,6-3 |
| ITF - M25 - Nussloch - Herrendoppel | 2020/01/22 17:10 | Nouza/Sachko v Haerteis/Heller | 6-7,2-6 |
| ITF - M25 - Nussloch - Herrendoppel | 2020/01/21 16:25 | Binding/Duncan v Haerteis/Heller | 6-7,6-4,7-10 |
| ITF - M15 - Manacor - Herrendoppel | 2020/01/18 11:30 | Sanchez Jover/Vives Marcos v Haerteis/Heller | 7-6,1-6,3-10 |
| ITF - M15 - Manacor - Herrendoppel | 2020/01/17 16:35 | Haerteis/Heller v Lopez San Martin/Pla Malfeito | 6-2,6-0 |
| ITF - M15 - Manacor - Herrendoppel | 2020/01/16 16:00 | Harris/Morillo v Haerteis/Heller | 3-6,1-6 |
| ITF - M15 - Manacor - Herrendoppel | 2020/01/14 12:10 | Marrero/Mulye v Haerteis/Heller | 0-6,2-6 |
| ITF - Deutschland F13 - Herrendoppel | 2018/08/26 12:55 | Haerteis/Heller v Merino/Negritu | 3-6,4-6 |
| ITF - Deutschland F13 - Herrendoppel | 2018/08/25 13:25 | Haerteis/Heller v Squire/Wunner | 6-2,6-2 |