23.04.25 | 1st round | Valentin Guadagno/Bastian Zamora | John Sperle/Marlon Vankan | 2-0, John Sperle/Marlon Vankan - retired |  | match details | M15 Antalya | Clay |
19.04.25 | fin | John Sperle/Marlon Vankan | Jan Jermar/Tadeas Paroulek | 7-5, 6-1 |  | match details | M15 Antalya | Clay |
18.04.25 | 1/2 | John Sperle/Marlon Vankan | Jan Kumstat/Maxim Mrva | 6-3, 6-4 |  | match details |
17.04.25 | 1/4 | John Sperle/Marlon Vankan | Jose Dominguez Alonso/Alejandro Turriziani Alvarez | 7-5, 6-2 |  | match details |
15.04.25 | 1st round | John Sperle/Marlon Vankan | Aaron Funk/Mika Petkovic | 6-1, 6-3 |  | match details |
19.03.25 | 1/4 | Tuna Altuna/S Mert Ozdemir | John Sperle/Marlon Vankan | John Sperle/Marlon Vankan - walk over |  | match details | M15 Antalya | Clay |
18.03.25 | 1st round | John Sperle/Marlon Vankan | Sergey Fomin/Daniil Golubev | 4-6, 6-3, 10-4 |  | match details |
24.01.25 | 1/2 | Axel Garcian/Arthur Nagel | John Sperle/Marlon Vankan | John Sperle/Marlon Vankan - walk over |  | match details | M15+H Bagnoles | Clay |
23.01.25 | 1/4 | John Sperle/Marlon Vankan | Leo Deflandre/Hugo Pierre | 7-62, 6-4 |  | match details |
21.01.25 | 1st round | John Sperle/Marlon Vankan | Tristan Piombo/Matis Roche | 7-64, 5-7, 11-9 |  | match details |
24.08.24 | fin | John Sperle/Marlon Vankan | Mats Hermans/Kai Wehnelt | 6-0, 5-7, 11-9 |  | match details | M15 Lambermont | Clay |
23.08.24 | 1/2 | John Sperle/Marlon Vankan | Emilien Demanet/Jack Loge | 6-4, 3-6, 10-3 |  | match details |
22.08.24 | 1/4 | John Sperle/Marlon Vankan | Marcel Hornung/Louis Van Herck | 6-2, 6-2 |  | match details |
20.08.24 | 1st round | John Sperle/Marlon Vankan | Yorrick Veldkamp/Lars Wagenaar | 0-6, 6-1, 10-8 |  | match details |
29.06.24 | fin | Simon Beaupain/Viktor Durasovic | John Sperle/Marlon Vankan | 6-4, 6-2 |  | match details | M25 Brussels | Clay |
28.06.24 | 1/2 | John Sperle/Marlon Vankan | Emilien Demanet/Niels Ratiu | 6-4, 6-2 |  | match details |
27.06.24 | 1/4 | John Sperle/Marlon Vankan | Harold Huens/Jack Loge | 6-1, 6-4 |  | match details |
25.06.24 | 1st round | John Sperle/Marlon Vankan | Victor Ernaelsteen/Martin Van Der Meerschen | 6-3, 6-2 |  | match details |
22.06.24 | 1/2 | Lucas Hammond/Marcel Hornung | John Sperle/Marlon Vankan | 6-3, John Sperle/Marlon Vankan - retired |  | match details | M25 Duffel | Clay |
20.06.24 | 1st round | John Sperle/Marlon Vankan | Thorben Sannen/Cedric Stanke | 6-4, 7-68 |  | match details |
20.06.24 | 1/4 | John Sperle/Marlon Vankan | Gilles Arnaud Bailly/Timo Legout | 6-1, Gilles Arnaud Bailly/Timo Legout - retired |  | match details |
30.05.24 | 1/4 | Jakub Paul/Matej Vocel | John Sperle/Marlon Vankan | 6-4, 4-6, 13-11 |  | match details | M25 Kiseljak | Clay |
28.05.24 | 1st round | John Sperle/Marlon Vankan | Koray Kirci/Faris Zakaryia | 6-3, 6-3 |  | match details |
10.05.24 | 1/2 | Umut Akkoyun/S Mert Ozdemir | John Sperle/Marlon Vankan | 6-4, 6-2 |  | match details | M15 Antalya | Clay |
09.05.24 | 1/4 | John Sperle/Marlon Vankan | Andrin Casanova/Karim-Mohamed Maamoun | 6-0, 6-3 |  | match details |
07.05.24 | 1st round | John Sperle/Marlon Vankan | Adam Bajurko/Matteo Meneghetti | 6-2, 6-1 |  | match details |
26.04.24 | 1/4 | Ruben Hartig/Luca Matteo Sobbe | John Sperle/Marlon Vankan | 6-4, 6-4 |  | match details | M15 Meerbusch | Clay |
24.04.24 | 1st round | John Sperle/Marlon Vankan | Simon Beaupain/Jannik Opitz | 4-6, 6-3, 10-6 |  | match details |
06.04.24 | fin | John Sperle/Marlon Vankan | Sergey Fomin/Pavel Verbin | 7-65, 6-1 |  | match details | M15 Antalya | Clay |
05.04.24 | 1/2 | John Sperle/Marlon Vankan | Viacheslav Bielinskyi/Vladyslav Orlov | 6-3, 2-6, 10-7 |  | match details |
04.04.24 | 1/4 | John Sperle/Marlon Vankan | Artur Kukasian/Maxim Zhukov | 6-3, 6-4 |  | match details |
03.04.24 | 1st round | John Sperle/Marlon Vankan | Cengiz Aksu/Gokberk Saritas | 6-2, 6-2 |  | match details |
27.03.24 | 1st round | Guy Den Heijer/Niels Visker | John Sperle/Marlon Vankan | 6-2, 6-4 |  | match details | M15 Antalya | Clay |
23.03.24 | fin | Jan Hrazdil/Vaclav Safranek | John Sperle/Marlon Vankan | 7-64, 1-6, 10-7 |  | match details | M15 Antalya | Clay |
23.03.24 | 1/2 | John Sperle/Marlon Vankan | Cengiz Aksu/Gokberk Saritas | 7-63, 6-4 |  | match details |
21.03.24 | 1/4 | John Sperle/Marlon Vankan | Alessandro Bellifemine/Filiberto Fumagalli | 4-6, 6-3, 15-13 |  | match details |
19.03.24 | 1st round | John Sperle/Marlon Vankan | Sergei Pogosian/Dmitrii Vasilev | 6-2, 6-2 |  | match details |
04.04.23 | 1st round | Denys Klok/Hanwen Li | John Sperle/Marlon Vankan | 6-3, 4-6, 10-8 |  | match details | M15 Antalya | Clay |
15.10.21 | 1/2 | Gergely Madarasz/Daniel Michalski | John Sperle/Marlon Vankan | 7-5, 2-6, 10-3 |  | match details | M15 Antalya | Clay |
14.10.21 | 1/4 | John Sperle/Marlon Vankan | Denys Klok/Vladimir Korolev | 6-3, 6-1 |  | match details |
12.10.21 | 1st round | John Sperle/Marlon Vankan | Felix Gill/Jack Pinnington Jones | 6-4, 7-5 |  | match details |