Germany: Eckental - Doubles - Main |
| Quarter-finals | Brown D./Hoang A. | Arends S./Pel D. | 2:0 (6:4, 6:2) | details | 05.11.2020 |
| 1/8-finals | Rosenkranz M./Schonenberg T. | Arends S./Pel D. | 0:2 (3:6, 4:6) | details | 04.11.2020 |
Italy: Sardinia - Doubles - Main |
| 1/8-finals | Cabal J./Farah R. | Arends S./Pel D. | 2:0 (6:4, 7:5) | details | 14.10.2020 |
Italy: Parma - Doubles - Main |
| Quarter-finals | Arevalo M./Brkic T. | Arends S./Pel D. | 2:0 (6:4, 6:2) | details | 08.10.2020 |
| 1/8-finals | Arends S./Pel D. | Erlich J./Gonzalez S. | 2:0 (6:4, 6:4) | details | 06.10.2020 |
Czech Republic: Prostejov - Doubles - Main |
| Semi-finals | Arends S./Pel D. | Kolar Z./Rosol L. | 1:2 (1:6, 6:1, 7:10) | details | 10.09.2020 |
| Quarter-finals | Diez S./Vega Hernandez D. | Arends S./Pel D. | 1:2 (4:6, 7:5, 7:10) | details | 09.09.2020 |
| 1/8-finals | Maden Y./Weissborn T-S. | Arends S./Pel D. | 0:2 (3:6, 64:7) | details | 08.09.2020 |
Czech Republic: Ostrava - Doubles - Main |
| Semi-finals | Sitak A./Zelenay I. | Arends S./Pel D. | 2:1 (7:64, 1:6, 10:8) | details | 04.09.2020 |
| Quarter-finals | Arends S./Pel D. | Klein L./Vrbensky M. | 2:0 (6:4, 6:3) | details | 03.09.2020 |
| 1/8-finals | Arends S./Pel D. | Heliovaara H./Molchanov D. | 2:1 (6:3, 3:6, 10:6) | details | 02.09.2020 |
Czech Republic: Prague 2 - Doubles - Main |
| Final | Goransson A./Oliveira G. | Arends S./Pel D. | 0:2 (5:7, 65:7) | details | 29.08.2020 |
| Semi-finals | Arends S./Pel D. | Hach H./Vega Hernandez D. | 2:0 (6:1, 6:4) | details | 28.08.2020 |
| Quarter-finals | Molchanov D./Rinderknech A. | Arends S./Pel D. | 0:2 (68:7, 63:7) | details | 27.08.2020 |
| 1/8-finals | Diez S./Gabashvili T. | Arends S./Pel D. | 0:2 (4:6, 3:6) | details | 26.08.2020 |
Czech Republic: Prague - Doubles - Main |
| 1/8-finals | Arends S./Pel D. | Lehecka J./Machac T. | 0:2 (5:7, 3:6) | details | 18.08.2020 |
Chile: Santiago - Doubles - Main |
| 1/8-finals | Arends S./Pel D. | Coria F./Londero J. I. | 1:2 (4:6, 6:1, 3:10) | details | 26.02.2020 |
Germany: Koblenz - Doubles - Main |
| Final | Arends S./Pel D. | Lenz J./Maden Y. | 2:0 (7:64, 7:63) | details | 23.02.2020 |
| Semi-finals | Arends S./Pel D. | Begemann A./Mergea F. | 2:1 (3:6, 6:3, 10:7) | details | 22.02.2020 |
| Quarter-finals | Arends S./Pel D. | Griekspoor T./Van De Zandschulp B. | 2:1 (3:6, 7:62, 12:10) | details | 21.02.2020 |
| 1/8-finals | Arends S./Pel D. | Kopriva V./Safranek V. | 2:0 (6:4, 6:2) | details | 20.02.2020 |
Netherlands: Rotterdam - Doubles - Main |
| 1/8-finals | Klaasen R./Marach O. | Arends S./Pel D. | 2:0 (6:3, 7:5) | details | 12.02.2020 |
India: Pune - Doubles - Main |
| 1/8-finals | Haase R./Lindstedt R. | Arends S./Pel D. | 2:1 (65:7, 6:3, 10:8) | details | 05.02.2020 |
Italy: Ortisei - Doubles - Main |
| Final | Cacic N./Sancic A. | Arends S./Pel D. | 2:1 (65:7, 7:63, 10:7) | details | 16.11.2019 |
| Semi-finals | Cerretani J./Cressy M. | Arends S./Pel D. | 0:2 (4:6, 2:6) | details | 15.11.2019 |
| Quarter-finals | Martos Gornes S./Puodziunas S. | Arends S./Pel D. | 0:2 (4:6, 4:6) | details | 14.11.2019 |
| 1/8-finals | Ferri L./Sinner J. | Arends S./Pel D. | 0:2 (4:6, 4:6) | details | 12.11.2019 |
Slovakia: Bratislava 2 - Doubles - Main |
| 1/8-finals | Arneodo R./Nys H. | Arends S./Pel D. | 2:1 (6:1, 3:6, 10:6) | details | 06.11.2019 |
Germany: Hamburg - Doubles - Main |
| 1/8-finals | Drzewiecki K./Walkow S. | Arends S./Pel D. | 2:1 (5:7, 7:66, 16:14) | details | 22.10.2019 |
Belgium: Antwerp - Doubles - Main |
| Quarter-finals | Krawietz K./Mies A. | Arends S./Pel D. | 2:0 (6:4, 6:3) | details | 18.10.2019 |
| 1/8-finals | Soonwoo K./Norrie C. | Arends S./Pel D. | 0:2 (2:6, 0:6) | details | 15.10.2019 |
France: Mouilleron-Le-Captif - Doubles - Main |
| Final | Arends S./Pel D. | O'Mara J./Skupski K. | 0:2 (1:6, 4:6) | details | 13.10.2019 |
| Semi-finals | Arends S./Pel D. | Guinard M./Miedler L. | 2:0 (7:5, 6:4) | details | 11.10.2019 |
| Quarter-finals | Arends S./Pel D. | Arneodo R./Nys H. | 2:1 (4:6, 6:3, 10:4) | details | 10.10.2019 |
| 1/8-finals | Gille S./Vliegen J. | Arends S./Pel D. | 1:2 (6:2, 2:6, 4:10) | details | 08.10.2019 |
France: Orleans - Doubles - Main |
| Quarter-finals | Begemann A./Lenz J. | Arends S./Pel D. | 2:1 (64:7, 6:4, 10:8) | details | 27.09.2019 |
| 1/8-finals | Copil M./Rosol L. | Arends S./Pel D. | 0:2 (4:6, 4:6) | details | 24.09.2019 |
France: Metz - Doubles - Main |
| Semi-finals | Mahut N./Roger-Vasselin E. | Arends S./Pel D. | 2:0 (6:3, 6:1) | details | 21.09.2019 |
| Quarter-finals | Copil M./Humbert U. | Arends S./Pel D. | 1:2 (7:65, 3:6, 5:10) | details | 18.09.2019 |
| 1/8-finals | Pouille L./Reid M. | Arends S./Pel D. | 1:2 (4:6, 6:0, 9:11) | details | 17.09.2019 |
Turkey: Istanbul - Doubles - Main |
| 1/8-finals | Arends S./Pel D. | Gengel M./Rosol L. | 1:2 (7:67, 5:7, 9:11) | details | 11.09.2019 |
France: Cassis - Doubles - Main |
| Final | Arends S./Pel D. | Goransson A./Verbeek S. | 1:2 (66:7, 6:4, 9:11) | details | 07.09.2019 |
| Semi-finals | Arends S./Pel D. | Halys Q./Lamasine T. | 2:0 (7:65, 7:5) | details | 06.09.2019 |
| Quarter-finals | Arends S./Pel D. | Bourcet T./Escoffier A. | 2:0 (6:3, 6:2) | details | 05.09.2019 |
| 1/8-finals | Arends S./Pel D. | Eriksson M./Popko D. | 2:0 (7:5, 7:5) | details | 04.09.2019 |
Spain: Mallorca - Doubles - Main |
| Final | Arends S./Pel D. | Drzewiecki K./Walkow S. | 2:0 (7:5, 6:4) | details | 31.08.2019 |
| Semi-finals | Arends S./Pel D. | Martinez L. D./Meligeni Rodrigues Alves F. | 2:0 (6:4, 7:66) | details | 30.08.2019 |
| Quarter-finals | Arends S./Pel D. | Clayton S./Glasspool L. | 2:0 (6:2, 6:4) | details | 29.08.2019 |
| 1/8-finals | Arends S./Pel D. | Gojowczyk P./Masur D. | WO. | details | 28.08.2019 |
Germany: Meerbusch - Doubles - Main |
| Quarter-finals | Begemann A./Mergea F. | Arends S./Pel D. | 2:1 (4:6, 6:1, 10:6) | details | 15.08.2019 |