| 11.11.23 | fin | Hugo Nys/Jan Zielinski | Constantin Frantzen/Hendrik Jebens | 6-4, 6-4 |  | match details |  Metz | I. difÃcil |
| 10.11.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Harri Heliovaara/Andreas Mies | 7-63, 6-77, 10-5 |  | match details |
| 08.11.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Lloyd Glasspool/John Peers | 7-65, 6-4 | | match details |
| 07.11.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Yuki Bhambri/Vlad Victor Cornea | 6-3, 7-64 | | match details |
| 04.11.23 | fin | N.Sriram Balaji/Andre Begemann | Constantin Frantzen/Hendrik Jebens | 7-64, 6-4 | | match details |  Ismaning Challenger | Alfombra |
| 03.11.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Anirudh Chandrasekar/N. Vijay Sundar Prashanth | 6-3, 7-64 | | match details |
| 02.11.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Neil Oberleitner/Szymon Walkow | 6-4, 4-6, 10-7 | | match details |
| 01.11.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Viktor Durasovic/Elmar Ejupovic | 7-64, 6-74, 11-9 | | match details |
| 23.10.23 | 1er ronda | Santiago Gonzalez/Edouard Roger-Vasselin | Constantin Frantzen/Hendrik Jebens | 7-5, 7-610 | | match details |  Basel | I. difÃcil |
| 18.10.23 | 1er ronda | Lloyd Glasspool/Hugo Nys | Constantin Frantzen/Hendrik Jebens | 7-5, 6-75, 10-3 | | match details |  Antwerp | I. difÃcil |
| 13.10.23 | 1/2 | N.Sriram Balaji/Andre Begemann | Constantin Frantzen/Hendrik Jebens | 7-64, 7-5 | | match details |  Bratislava 2 | I. difÃcil |
| 12.10.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Milos Karol/Peter Benjamin Privara | 4-6, 6-3, 12-10 | | match details |
| 11.10.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Sander Arends/Mick Veldheer | 6-3, 6-2 | | match details |
| 04.10.23 | 1er ronda | Ivan Liutarevich/Vladyslav Manafov | Constantin Frantzen/Hendrik Jebens | 6-3, 3-6, 10-7 | | match details | Mouilleron Le | I. difÃcil |
| 01.10.23 | fin | Constantin Frantzen/Hendrik Jebens | Henry Patten/John-Patrick Smith | 7-65, 7-612 | | match details | Orleans Challenger | I. difÃcil |
| 30.09.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Sander Arends/David Pel | Sander Arends/David Pel - walk over | | match details |
| 29.09.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Pierre-Hugues Herbert/Nicolas Mahut | 7-65, 6-4 | | match details |
| 27.09.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Mathias Bourgue/Benoit Paire | 6-0, 6-3 | | match details |
| 23.09.23 | fin | Constantin Frantzen/Hendrik Jebens | Marco Bortolotti/Francesco Passaro | 6-1, 6-2 | | match details |  Bad Waltersdorf | Arcilla |
| 22.09.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Filip Bergevi/Mick Veldheer | 4-6, 7-65, 13-11 | | match details |
| 21.09.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Ivan Sabanov/Matej Sabanov | 6-2, 6-4 | | match details |
| 20.09.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | David Pichler/Matthias Ujvary | 6-4, 6-4 | | match details |
| 13.09.23 | 1er ronda | Andrew Paulson/Vitaliy Sachko | Constantin Frantzen/Hendrik Jebens | 3-6, 6-4, 12-10 | | match details |  Szczecin Challenger | Arcilla |
| 07.09.23 | 1/4 | Ivan Sabanov/Matej Sabanov | Constantin Frantzen/Hendrik Jebens | 7-62, 3-6, 10-4 | | match details |  Genova Challenger | Arcilla |
| 06.09.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Andrea Arnaboldi/Federico Arnaboldi | 6-4, 6-3 | | match details |
| 02.09.23 | fin | Constantin Frantzen/Hendrik Jebens | Filip Bergevi/Mick Veldheer | 6-3, 6-4 | | match details | Como Challenger | Arcilla |
| 01.09.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Zvonimir Babic/Alexander Donski | 6-74, 6-3, 10-3 | | match details |
| 31.08.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Marco Bortolotti/Mircea-Alexandru Jecan | 6-3, 6-4 | | match details |
| 30.08.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Andrea Arnaboldi/Lorenzo Rottoli | 7-5, 7-64 | | match details |
| 26.08.23 | fin | Constantin Frantzen/Hendrik Jebens | Constantin Bittoun Kouzmine/Vladimir Uzhylovsky | 6-2, 6-2 | | match details | Augsburg Challenger | Arcilla |
| 25.08.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Neil Oberleitner/Tim Sandkaulen | 7-63, 6-0 | | match details |
| 24.08.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Jakob Schnaitter/Mark Wallner | 6-73, 6-3, 14-12 | | match details |
| 23.08.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Hady Habib/Benjamin Hassan | 6-75, 7-62, 10-8 | | match details |
| 24.07.23 | 1er ronda | Sander Gille/Joran Vliegen | Constantin Frantzen/Hendrik Jebens | 6-2, 6-4 | | match details | Hamburg | Arcilla |
| 18.07.23 | 1er ronda | N.Sriram Balaji/Zhizhen Zhang | Constantin Frantzen/Hendrik Jebens | 7-65, 7-63 | | match details | Gstaad | Arcilla |
| 12.07.23 | 1er ronda | Inigo Cervantes/Pedro Martinez Portero | Constantin Frantzen/Hendrik Jebens | 3-6, 7-66, 10-5 | | match details | Braunschweig Challenger | Arcilla |
| 22.06.23 | 1/4 | Gonzalo Escobar/Aleksandr Nedovyesov | Constantin Frantzen/Hendrik Jebens | 6-4, 3-6, 10-4 | | match details |  Ilkley Challenger | Césped |
| 21.06.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Toby Samuel/Connor Thomson | 6-3, 7-64 | | match details |
| 17.06.23 | fin | Manuel Guinard/Gregoire Jacq | Constantin Frantzen/Hendrik Jebens | 6-4, 2-6, 10-7 | | match details | Lyon Challenger | Arcilla |
| 16.06.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Dan Added/Michael Geerts | 7-62, 6-4 | | match details |
| 15.06.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Mikelis Libietis/Hunter Reese | 6-4, 6-75, 10-2 | | match details |
| 14.06.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Filip Bergevi/Mick Veldheer | 7-66, 6-4 | | match details |
| 11.06.23 | fin | Constantin Frantzen/Hendrik Jebens | Vlad Victor Cornea/Philipp Oswald | 7-67, 6-4 | | match details | Heilbronn Challenger | Arcilla |
| 09.06.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Andrey Golubev/Denys Molchanov | 6-4, 7-63 | | match details |
| 08.06.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Boris Arias/Federico Zeballos | 7-5, 6-2 | | match details |
| 07.06.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Romain Arneodo/Tristan-Samuel Weissborn | 7-63, 3-6, 10-6 | | match details |
| 31.05.23 | 1er ronda | Filip Bergevi/Jason Taylor | Constantin Frantzen/Hendrik Jebens | 6-4, 7-65 | | match details | Troisdorf Challenger | Arcilla |
| 17.05.23 | 1er ronda | Lloyd Glasspool/Harri Heliovaara | Constantin Frantzen/Hendrik Jebens | 6-3, 5-7, 10-2 | | match details | Bordeaux Challenger | Arcilla |
| 13.05.23 | fin | Romain Arneodo/Tristan-Samuel Weissborn | Constantin Frantzen/Hendrik Jebens | 6-4, 6-2 | | match details | Mauthausen Challenger | Arcilla |
| 12.05.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Marco Bortolotti/Inigo Cervantes | 7-5, 1-6, 10-6 | | match details |
| 11.05.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Nikola Cacic/Aleksandr Nedovyesov | 6-3, 6-2 | | match details |
| 10.05.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Maximilian Neuchrist/Neil Oberleitner | 6-3, 6-4 | | match details |
| 04.05.23 | 1/4 | Alexander Erler/Lucas Miedler | Constantin Frantzen/Hendrik Jebens | 7-64, 6-75, 10-6 | | match details | Cagliari Challenger | Arcilla |
| 03.05.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Nicolas Barrientos/Ariel Behar | 7-64, 7-5 | | match details |
| 26.04.23 | 1er ronda | Nicolas Barrientos/Francisco Cabral | Constantin Frantzen/Hendrik Jebens | 6-4, 6-76, 10-7 | | match details | Rome Challenger | Arcilla |
| 20.04.23 | 1/4 | Marcelo Demoliner/Andrea Vavassori | Constantin Frantzen/Hendrik Jebens | 7-65, 6-74, 10-8 | | match details |  Oeiras 3 | Arcilla |
| 19.04.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Manuel Guinard/Fernando Romboli | 4-6, 7-64, 10-5 | | match details |
| 30.03.23 | 1/4 | Nikola Cacic/Marcelo Demoliner | Constantin Frantzen/Hendrik Jebens | 6-4, 3-6, 10-8 | | match details | Sanremo Challenger | Arcilla |
| 29.03.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Viktor Durasovic/Denys Molchanov | 6-2, 6-2 | | match details |
| 25.03.23 | fin | Constantin Frantzen/Hendrik Jebens | Vlad Victor Cornea/Franko Skugor | 6-2, 6-4 | | match details | Biel Challenger | I. difÃcil |
| 24.03.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Zdenek Kolar/Igor Zelenay | 6-77, 6-4, 10-5 | | match details |
| 23.03.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Andrew Harris/John-Patrick Smith | 6-3, 6-4 | | match details |
| 21.03.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Liam Broady/Jonny O'Mara | 3-6, 7-5, 10-5 | | match details |
| 11.03.23 | fin | Zizou Bergs/David Pel | Constantin Frantzen/Hendrik Jebens | 6-2, 7-66 | | match details | Lugano Challenger | I. difÃcil |
| 10.03.23 | 1/2 | Constantin Frantzen/Hendrik Jebens | Neil Oberleitner/Philipp Oswald | 6-3, 7-63 | | match details |
| 09.03.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Viktor Durasovic/Otto Virtanen | 6-3, 6-4 | | match details |
| 08.03.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Vladyslav Manafov/Oleg Prihodko | 7-62, 7-64 | | match details |
| 13.01.23 | 1/2 | Patrik Niklas-Salminen/Bart Stevens | Constantin Frantzen/Hendrik Jebens | 7-5, 6-4 | | match details | Oeiras 2 | I. difÃcil |
| 12.01.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Jonathan Eysseric/Denys Molchanov | 6-2, 6-3 | | match details |
| 10.01.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Ivan Liutarevich/Vladyslav Manafov | 6-2, 6-2 | | match details |
| 06.01.23 | 1/2 | Vlad Victor Cornea/Petr Nouza | Constantin Frantzen/Hendrik Jebens | 5-7, 7-65, 10-4 | | match details | Oeiras 1 | I. difÃcil |
| 05.01.23 | 1/4 | Constantin Frantzen/Hendrik Jebens | Aziz Dougaz/Clement Tabur | 4-6, 6-4, 10-7 | | match details |
| 04.01.23 | 1er ronda | Constantin Frantzen/Hendrik Jebens | Gabriel Decamps/Valentin Vacherot | 6-4, 6-4 | | match details |
