France: Aix en Provence - Doubles - Main |
| Quarter-finals | Knowle J./Melzer J. | Koolhof W./Middelkoop M. | WO. | details | 11.05.2017 |
| 1/8-finals | Knowle J./Melzer J. | Cerretani J./Reid M. | 2:0 (6:3, 7:5) | details | 09.05.2017 |
World: Davis Cup - Group I - Doubles - Main |
| | Mirnyi M./Shyla Y. | Knowle J./Melzer J. | 1:3 (4:6, 66:7, 7:63, 4:6) | details | 08.04.2017 |
Poland: Wroclaw - Doubles - Main |
| Quarter-finals | Knowle J./Melzer J. | Shamasdin A./Vasilevski A. | 1:2 (3:6, 7:5, 8:10) | details | 01.03.2017 |
| 1/8-finals | Bednarek T./Hurkacz H. | Knowle J./Melzer J. | 0:2 (1:6, 65:7) | details | 28.02.2017 |
Hungary: Budapest - Doubles - Main |
| Semi-finals | Knowle J./Melzer J. | Kavcic B./Skugor F. | 0:2 (3:6, 1:6) | details | 11.02.2017 |
| Quarter-finals | Knowle J./Melzer J. | Giustino L./Serdarusic N. | 2:0 (6:1, 6:2) | details | 10.02.2017 |
| 1/8-finals | Knowle J./Melzer J. | Golubev A./Peng H. | 2:0 (6:3, 6:4) | details | 08.02.2017 |
France: Quimper - Doubles - Main |
| 1/8-finals | Elgin M./Zelenay I. | Knowle J./Melzer J. | 2:0 (7:65, 6:2) | details | 31.01.2017 |
Slovakia: Bratislava - Doubles - Main |
| Quarter-finals | Knowle J./Melzer J. | Raja P./Sharan D. | 0:2 (1:6, 2:6) | details | 10.11.2016 |
| 1/8-finals | Safwat M./Yang T. | Knowle J./Melzer J. | 0:2 (3:6, 5:7) | details | 09.11.2016 |
| 1/8-finals | Mayer F./Stebe C. | Knowle J./Melzer J. | CAN. | details | 09.11.2016 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Lopez F./Lopez M. | Knowle J./Melzer J. | 2:0 (6:3, 7:65) | details | 26.10.2016 |
Russia: Moscow - Doubles - Main |
| Final | Knowle J./Melzer J. | Cabal J. S./Farah R. | 1:2 (5:7, 6:4, 5:10) | details | 23.10.2016 |
| Semi-finals | Medvedev D./Rublev A. | Knowle J./Melzer J. | 1:2 (63:7, 6:3, 2:10) | details | 22.10.2016 |
| Quarter-finals | Knowle J./Melzer J. | Kukushkin M./Robert S. | 2:1 (6:1, 5:7, 11:9) | details | 20.10.2016 |
| 1/8-finals | Duran G./Fyrstenberg M. | Knowle J./Melzer J. | 1:2 (6:3, 2:6, 8:10) | details | 19.10.2016 |
Belgium: Mons - Doubles - Main |
| Final | Arends S./Koolhof W. | Knowle J./Melzer J. | 0:2 (64:7, 64:7) | details | 09.10.2016 |
| Semi-finals | Brown D./Struff J-L. | Knowle J./Melzer J. | 1:2 (7:63, 1:6, 5:10) | details | 08.10.2016 |
| Quarter-finals | Knowle J./Melzer J. | Skupski K./Skupski N. | 2:1 (6:3, 4:6, 12:10) | details | 06.10.2016 |
| 1/8-finals | Knowle J./Melzer J. | Betov S./Ivashka I. | 2:1 (6:4, 3:6, 10:6) | details | 05.10.2016 |
France: Orleans - Doubles - Main |
| Semi-finals | Behar A./Vasilevski A. | Knowle J./Melzer J. | 2:1 (6:4, 1:6, 10:6) | details | 01.10.2016 |
| Quarter-finals | Bednarek T./Junaid R. | Knowle J./Melzer J. | 0:2 (2:6, 3:6) | details | 28.09.2016 |
| 1/8-finals | Knowle J./Melzer J. | Skupski K./Skupski N. | 2:0 (6:4, 6:4) | details | 26.09.2016 |
Japan: Tokyo - Doubles - Main |
| Semi-finals | Murray J./Peers J. | Knowle J./Melzer J. | 2:0 (6:3, 6:4) | details | 05.10.2013 |
| Quarter-finals | Dodig I./Melo M. | Knowle J./Melzer J. | 1:2 (4:6, 6:3, 8:10) | details | 03.10.2013 |
| 1/8-finals | Knowle J./Melzer J. | Gonzalez S./Lipsky S. | 2:0 (6:4, 7:5) | details | 02.10.2013 |
Malaysia: Kuala Lumpur - Doubles - Main |
| Quarter-finals | Cuevas P./Zeballos H. | Knowle J./Melzer J. | 2:1 (2:6, 7:5, 10:7) | details | 26.09.2013 |
| 1/8-finals | Knowle J./Melzer J. | Gonzalez S./Lipsky S. | 2:0 (6:2, 6:2) | details | 25.09.2013 |
USA: US Open - Doubles - Main |
| 1/32-finals | Huey T./Inglot D. | Knowle J./Melzer J. | 2:1 (6:2, 64:7, 7:65) | details | 29.08.2013 |
USA: Winston-Salem - Doubles - Main |
| 1/8-finals | Nestor D./Paes L. | Knowle J./Melzer J. | 2:1 (6:1, 3:6, 10:2) | details | 20.08.2013 |
Japan: Tokyo - Doubles - Main |
| Quarter-finals | Knowle J./Melzer J. | Melo M./Soares B. | 0:2 (2:6, 2:6) | details | 07.10.2010 |
| 1/8-finals | Knowle J./Melzer J. | Gasquet R./Monfils G. | 2:1 (6:7, 6:1, 10:7) | details | 06.10.2010 |
USA: Indian Wells - Doubles - Main |
| 1/16-finals | Brunstrom J./Rojer J. | Knowle J./Melzer J. | 2:1 (6:4, 4:6, 10:5) | details | 13.03.2010 |
World: Davis Cup Group I - Doubles - Main |
| | Knowle J./Melzer J. | Mertinak M./Polasek F. | 3:1 (3:6, 6:1, 6:3, 6:2) | details | 06.03.2010 |
Austria: Vienna - Doubles - Main |
| Final | Kubot L./Marach O. | Knowle J./Melzer J. | 2:1 (2:6, 6:4, 7:6) | details | 01.11.2009 |
| Semi-finals | Knowle J./Melzer J. | Kas C./Kohlschreiber P. | 2:1 (6:4, 1:6, 7:6) | details | 31.10.2009 |
| Quarter-finals | Cilic M./Zovko L. | Knowle J./Melzer J. | 0:2 (6:7, 5:7) | details | 30.10.2009 |
| 1/8-finals | Dlouhy L./Petzschner P. | Knowle J./Melzer J. | 0:2 (5:7, 3:6) | details | 28.10.2009 |
China: Shanghai - Doubles - Main |
| Semi-finals | Knowle J./Melzer J. | Fyrstenberg M./Matkowski M. | 0:2 (1:6, 4:6) | details | 17.10.2009 |
| Quarter-finals | Moodie W./Norman D. | Knowle J./Melzer J. | 1:2 (6:4, 6:7, 6:7) | details | 16.10.2009 |
| 1/8-finals | Melzer J./Knowle J. | Mirnyi M./Ram A. | 2:1 (5:7, 6:3, 7:6) | details | 14.10.2009 |
| 1/16-finals | Melzer J./Knowle J. | Gao W./Yu X. | 2:0 (6:3, 6:3) | details | 13.10.2009 |
Thailand: Bangkok - Doubles - Main |
| Semi-finals | Knowle J./Melzer J. | Ram R./Butorac E. | 1:2 (7:6, 3:6, 6:7) | details | 02.10.2009 |
| Quarter-finals | Peya A./Kohlmann M. | Knowle J./Melzer J. | 1:2 (2:6, 6:4, 3:10) | details | 01.10.2009 |
| | Isner J./Querrey S. | Knowle J./Melzer J. | CAN. | details | 29.09.2009 |