Qatar: Doha - Doubles - Main |
| Quarter-finals | Cabal J. S./Farah R. | Nielsen F./Puetz T. | 1:0 RET. (6:3, 0:0) | dettagli | 10.03.2021 |
| 1/8-finals | Basilashvili N./Bublik A. | Nielsen F./Puetz T. | 0:2 (1:6, 2:6) | dettagli | 09.03.2021 |
Netherlands: Rotterdam - Doubles - Qualification |
| Semi-finals | Nielsen F./Puetz T. | Arends S./Pel D. | 0:2 (3:6, 4:6) | dettagli | 27.02.2021 |
France: Montpellier - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Jebavy R./Vesely J. | 1:2 (4:6, 6:3, 5:10) | dettagli | 24.02.2021 |
Bulgaria: Sofia - Doubles - Main |
| 1/8-finals | Cacic N./Qureshi A. | Nielsen F./Puetz T. | 2:1 (3:6, 6:2, 11:9) | dettagli | 10.11.2020 |
Belgium: Antwerp - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Bolelli S./Gonzalez M. | 0:2 (5:7, 2:6) | dettagli | 20.10.2020 |
Germany: Cologne - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Gonzalez S./Skupski K. | 1:2 (6:4, 1:6, 5:10) | dettagli | 14.10.2020 |
France: French Open - Doubles - Main |
| Quarter-finals | Cabal J. S./Farah R. | Nielsen F./Puetz T. | 2:1 (610:7, 6:4, 7:67) | dettagli | 05.10.2020 |
| 1/8-finals | Nielsen F./Puetz T. | Dodig I./Polasek F. | 2:1 (7:5, 5:7, 6:4) | dettagli | 04.10.2020 |
| 1/16-finals | Peers J./Venus M. | Nielsen F./Puetz T. | 0:2 (63:7, 3:6) | dettagli | 02.10.2020 |
| 1/32-finals | Nielsen F./Puetz T. | Sonego L./Travaglia S. | 2:0 (6:4, 6:4) | dettagli | 29.09.2020 |
Germany: Hamburg - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Mahut N./Martin F. | 0:2 (5:7, 5:7) | dettagli | 23.09.2020 |
Czech Republic: Prostejov - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Brkic T./Margaroli L. | 0:2 (4:6, 4:6) | dettagli | 08.09.2020 |
France: Pau - Doubles - Main |
| Quarter-finals | Bolelli S./Mergea F. | Nielsen F./Puetz T. | 2:0 (6:3, 6:2) | dettagli | 27.02.2020 |
| 1/8-finals | Brkic T./Vega Hernandez D. | Nielsen F./Puetz T. | 0:2 (4:6, 3:6) | dettagli | 26.02.2020 |
France: Marseille - Doubles - Main |
| Semi-finals | Nielsen F./Puetz T. | Koolhof W./Mektic N. | 0:2 (4:6, 2:6) | dettagli | 21.02.2020 |
| Quarter-finals | Bopanna R./Shapovalov D. | Nielsen F./Puetz T. | 1:2 (5:7, 7:63, 8:10) | dettagli | 19.02.2020 |
| 1/8-finals | Nielsen F./Puetz T. | Murray J./Skupski N. | 2:1 (3:6, 6:3, 10:8) | dettagli | 18.02.2020 |
France: Montpellier - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Murray J./Skupski N. | CAN. | dettagli | 05.02.2020 |
Australia: Australian Open - Doubles - Main |
| 1/32-finals | Peers J./Venus M. | Nielsen F./Puetz T. | 2:0 (7:5, 6:3) | dettagli | 22.01.2020 |
New Zealand: Auckland - Doubles - Main |
| Quarter-finals | Daniell M./Oswald P. | Nielsen F./Puetz T. | 2:1 (4:6, 6:1, 10:7) | dettagli | 16.01.2020 |
| 1/8-finals | Nielsen F./Puetz T. | Pavic M./Soares B. | 2:1 (65:7, 6:3, 10:7) | dettagli | 15.01.2020 |
Qatar: Doha - Doubles - Main |
| Semi-finals | Nielsen F./Puetz T. | Bambridge L./Gonzalez S. | 1:2 (6:2, 2:6, 4:10) | dettagli | 10.01.2020 |
| Quarter-finals | Pavic M./Soares B. | Nielsen F./Puetz T. | 1:2 (6:4, 2:6, 7:10) | dettagli | 08.01.2020 |
| 1/8-finals | Nielsen F./Puetz T. | Demoliner M./Middelkoop M. | 2:1 (7:610, 65:7, 10:7) | dettagli | 07.01.2020 |
Finland: Helsinki - Doubles - Main |
| Final | Nielsen F./Puetz T. | Draganja T./Kotov P. | 2:0 (7:62, 6:0) | dettagli | 17.11.2019 |
| Semi-finals | Nielsen F./Puetz T. | Heliovaara H./Niklas-Salminen P. | 2:1 (3:6, 7:65, 10:8) | dettagli | 16.11.2019 |
| Quarter-finals | Nielsen F./Puetz T. | Durasovic V./Poljak D. | 2:0 (7:61, 6:4) | dettagli | 14.11.2019 |
| 1/8-finals | Nielsen F./Puetz T. | Elgin M./Ivashka I. | 2:0 (7:5, 6:2) | dettagli | 12.11.2019 |
Slovakia: Bratislava 2 - Doubles - Main |
| Final | Jebavy R./Zelenay I. | Nielsen F./Puetz T. | 1:2 (6:4, 64:7, 9:11) | dettagli | 09.11.2019 |
| Semi-finals | Arneodo R./Nys H. | Nielsen F./Puetz T. | 1:2 (7:64, 5:7, 7:10) | dettagli | 08.11.2019 |
| Quarter-finals | Klein L./Molcan A. | Nielsen F./Puetz T. | 0:2 (4:6, 2:6) | dettagli | 07.11.2019 |
| 1/8-finals | Skupski K./Smith J. P. | Nielsen F./Puetz T. | 0:2 (63:7, 62:7) | dettagli | 06.11.2019 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Kontinen H./Peers J. | Nielsen F./Puetz T. | 2:0 (6:2, 6:3) | dettagli | 23.10.2019 |
Austria: Vienna - Doubles - Qualification |
| Final | Bambridge L./McLachlan B. | Nielsen F./Puetz T. | 2:0 (6:3, 6:4) | dettagli | 21.10.2019 |
| Semi-finals | Hurkacz H./Querrey S. | Nielsen F./Puetz T. | 0:2 (5:7, 3:6) | dettagli | 20.10.2019 |
Belgium: Antwerp - Doubles - Main |
| 1/8-finals | Nielsen F./Puetz T. | Gille S./Vliegen J. | 1:2 (3:6, 6:4, 7:10) | dettagli | 16.10.2019 |
Russia: St. Petersburg - Doubles - Main |
| Quarter-finals | Nielsen F./Puetz T. | Berrettini M./Bolelli S. | 1:2 (4:6, 6:4, 7:10) | dettagli | 19.09.2019 |
| 1/8-finals | Nielsen F./Puetz T. | Fucsovics M./Travaglia S. | 2:0 (6:4, 6:4) | dettagli | 18.09.2019 |
Austria: Kitzbuhel - Doubles - Main |
| Semi-finals | Nielsen F./Puetz T. | Gille S./Vliegen J. | 0:2 (1:6, 3:6) | dettagli | 02.08.2019 |
| Quarter-finals | Marach O./Melzer J. | Nielsen F./Puetz T. | 0:2 (3:6, 63:7) | dettagli | 01.08.2019 |
| 1/8-finals | Hsieh C./Rungkat C. | Nielsen F./Puetz T. | 1:2 (7:63, 2:6, 13:15) | dettagli | 30.07.2019 |
France: Aix en Provence - Doubles - Main |
| Final | Nielsen F./Puetz T. | Krawietz K./Melzer J. | 0:2 (65:7, 2:6) | dettagli | 11.05.2019 |
| Semi-finals | Nielsen F./Puetz T. | Bolelli S./Duran G. | 2:1 (65:7, 6:4, 10:4) | dettagli | 10.05.2019 |
| Quarter-finals | Nielsen F./Puetz T. | Begemann A./Martin F. | 2:0 (7:64, 6:1) | dettagli | 09.05.2019 |
| 1/8-finals | Nielsen F./Puetz T. | Added D./Olivetti A. | 2:0 (7:64, 6:2) | dettagli | 08.05.2019 |
Germany: Munich - Doubles - Main |
| Final | Demoliner M./Sharan D. | Nielsen F./Puetz T. | 0:2 (4:6, 2:6) | dettagli | 05.05.2019 |
| Semi-finals | Molchanov D./Zelenay I. | Nielsen F./Puetz T. | 1:2 (3:6, 7:5, 9:11) | dettagli | 04.05.2019 |
| Quarter-finals | Nielsen F./Puetz T. | Krajicek A./Sitak A. | 2:0 (6:2, 6:4) | dettagli | 02.05.2019 |
| 1/8-finals | Begemann A./Molleker R. | Nielsen F./Puetz T. | 1:2 (6:3, 1:6, 6:10) | dettagli | 01.05.2019 |