14.05.21 | Polufinale | Dan Added/Luke Johnson | Constantin Schmitz/Kai Wehnelt | 6-2, 5-7, 10-5 | | detalj meča | M15 Troisdorf | zemlja |
13.05.21 | Četvrtfinale | Constantin Schmitz/Kai Wehnelt | Tom Kocevar-Desman/Hazem Naow | 6-4, 6-3 | | detalj meča |
12.05.21 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Yannik Steinegger/Gian Luca Tanner | 3-6, 6-3, 10-6 | | detalj meča |
12.03.21 | Polufinale | Vladislav Melnic/Colin Sinclair | Constantin Schmitz/Kai Wehnelt | 4-6, 6-3, 10-8 | | detalj meča | M15 Monastir | tvrda |
11.03.21 | Četvrtfinale | Constantin Schmitz/Kai Wehnelt | Markos Kalovelonis/Aristotelis Thanos | 7-5, 6-4 | | detalj meča |
10.03.21 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Marco Corino/Stefano Reitano | 6-4, 7-5 | | detalj meča |
04.03.21 | Četvrtfinale | Simon Carr/Alexander Kotzen | Constantin Schmitz/Kai Wehnelt | 5-7, 6-3, 13-11 | | detalj meča | M15 Monastir | tvrda |
03.03.21 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Alex Ganchev/Savva Polukhin | 3-6, 7-5, 10-8 | | detalj meča |
27.02.21 | Finale | Daniel Michalski/Carlos Sanchez Jover | Constantin Schmitz/Kai Wehnelt | 6-4, 7-5 | | detalj meča | M15 Monastir | tvrda |
26.02.21 | Polufinale | Constantin Schmitz/Kai Wehnelt | Riccardo Maiga/Mirko Martinez | 6-2, 7-5 | | detalj meča |
25.02.21 | Četvrtfinale | Constantin Schmitz/Kai Wehnelt | Yassine Dlimi/Mohamed Amin Oueslati | 6-1, 6-2 | | detalj meča |
23.02.21 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Franco Feitt/Bruno Pujol Navarro | 6-75, 6-2, 10-8 | | detalj meča |
10.03.20 | 1. kolo | Florian Fallert/Adrian Obert | Constantin Schmitz/Kai Wehnelt | 7-63, 4-6, 11-9 | | detalj meča | M15 Doha | tvrda |
29.02.20 | Finale | Constantin Schmitz/Kai Wehnelt | Ljubomir Celebic/Igor Saveljic | 2-6, 6-4, 11-9 | | detalj meča | M15 Heraklion | tvrda |
28.02.20 | Polufinale | Constantin Schmitz/Kai Wehnelt | Matjaz Jurman/Maj Tomac | 7-5, 6-2 | | detalj meča |
27.02.20 | Četvrtfinale | Constantin Schmitz/Kai Wehnelt | Matvey Khomentovskiy/Alexandros Skorilas | 6-2, 6-1 | | detalj meča |
25.02.20 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Ran Amar/Lior Goldenberg | 7-62, 6-2 | | detalj meča |
22.07.19 | Četvrtfinale | Constantin Schmitz/Kai Wehnelt | George Botezan/Patrick Mayer (GER) | 6-1, 6-3 | | detalj meča | M15 Bad | zemlja |
22.07.19 | Polufinale | Constantin Schmitz/Kai Wehnelt | Dominik Boehler/Gabriel Pfanner | 6-4, 6-1 | | detalj meča |
22.07.19 | Finale | Michiel De Krom/Roy De Valk | Constantin Schmitz/Kai Wehnelt | 7-5, 6-4 | | detalj meča |
22.07.19 | 1. kolo | Constantin Schmitz/Kai Wehnelt | Roman Boychuk/Maksym Khalus | 6-2, 6-3 | | detalj meča |