Stadium: Center Court Round: 29 Ground: Carpet indoor
| ITF M25 Nussloch - MP | 2020/01/23 15:40 | Fallert/Ocleppo v Haerteis/Heller | 4-6,4-6 |
| ITF M25 Nussloch - MP | 2020/01/22 17:10 | Nouza/Sachko v Haerteis/Heller | 6-7,2-6 |
| ITF M25 Nussloch - MP | 2020/01/21 16:25 | Binding/Duncan v Haerteis/Heller | 6-7,6-4,7-10 |
| ITF M15 Manacor - MP | 2020/01/18 11:30 | Sanchez Jover/Vives Marcos v Haerteis/Heller | 7-6,1-6,3-10 |
| ITF M15 Manacor - MP | 2020/01/17 16:35 | Haerteis/Heller v Lopez San Martin/Pla Malfeito | 6-2,6-0 |
| ITF M15 Manacor - MP | 2020/01/16 16:00 | Harris/Morillo v Haerteis/Heller | 3-6,1-6 |
| ITF M15 Manacor - MP | 2020/01/14 12:10 | Marrero/Mulye v Haerteis/Heller | 0-6,2-6 |
| ITF Germany F13 MD | 2018/08/26 12:55 | Haerteis/Heller v Merino/Negritu | 3-6,4-6 |
| ITF M25 Nussloch - MP | 2020/01/23 16:30 | Nijboer/Smits v Zielinski/Zuk | 4-6,6-7 |
| ITF M25 Nussloch - MP | 2020/01/22 18:45 | Hermans/Stevens v Zielinski/Zuk | 4-6,5-7 |
| ITF M25 Nussloch - MP | 2020/01/21 18:35 | Satral/Stanek v Zielinski/Zuk | 6-2,2-6,7-10 |
| ITF M15 Telde - MP | 2019/11/27 13:50 | Zielinski/Zuk v B Isern/Saez-Royuela Ariza | 6-2,6-2 |
| ITF M15 Telde - MP | 2019/11/26 15:00 | Zielinski/Zuk v Chavez Villalpando/Damas | 6-0,7-5 |
| ITF M15 Sharm El Sheikh - MP | 2019/11/02 11:15 | Vivero Gonzalez/Yu v Zielinski/Zuk | 3-6,1-6 |
| ITF M15 Sharm El Sheikh - MP | 2019/11/01 10:30 | Goveas/Lock v Zielinski/Zuk | 1-6,2-6 |
| ITF M15 Sharm El Sheikh - MP | 2019/10/31 12:35 | Cash/Matuszewski v Zielinski/Zuk | 1-6,2-6 |