Switzerland: Basel - Doubles - Main |
| Quarter-finals | Kas C./Peya A. | Dodig I./Troicki V. | 1:2 (6:4, 4:6, 5:10) | details | 03.11.2011 |
| 1/8-finals | Kas C./Peya A. | Gonzalez S./Lipsky S. | 2:0 (7:60, 6:2) | details | 02.11.2011 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Bryan B./Bryan M. | Kas C./Peya A. | 2:1 (69:7, 7:64, 11:9) | details | 27.10.2011 |
Sweden: Stockholm - Doubles - Main |
| 1/8-finals | Kas C./Peya A. | Erlich J./Ram A. | 1:2 (7:5, 3:6, 10:12) | details | 18.10.2011 |
China: Shanghai - Doubles - Main |
| 1/8-finals | Kas C./Peya A. | Bhupathi M./Paes L. | 0:2 (3:6, 4:6) | details | 12.10.2011 |
| 1/16-finals | Kas C./Peya A. | Lopez M./Nadal R. | 2:1 (4:6, 6:4, 10:8) | details | 11.10.2011 |
Japan: Tokyo - Doubles - Main |
| 1/8-finals | Ito T./Nishikori K. | Kas C./Peya A. | 2:1 (4:6, 6:4, 10:4) | details | 03.10.2011 |
France: Metz - Doubles - Main |
| Quarter-finals | Kas C./Peya A. | De Schepper K./Clement A. | 0:2 (1:6, 63:7) | details | 22.09.2011 |
| 1/8-finals | Kas C./Peya A. | Junqueira D./Robert S. | 2:0 (7:62, 7:64) | details | 21.09.2011 |
USA: US Open - Doubles - Main |
| 1/32-finals | Hanley P./Norman D. | Kas C./Peya A. | 2:0 (7:65, 7:5) | details | 01.09.2011 |
USA: Winston-Salem - Doubles - Main |
| Final | Kas C./Peya A. | Erlich J./Ram A. | 0:2 (62:7, 4:6) | details | 27.08.2011 |
| Semi-finals | Gonzalez S./Murray J. | Kas C./Peya A. | 0:2 (63:7, 3:6) | details | 26.08.2011 |
| Quarter-finals | Kas C./Peya A. | Russell M./Young D. | 2:0 (6:2, 6:1) | details | 24.08.2011 |
| 1/8-finals | Kas C./Peya A. | Cermak F./Polasek F. | 2:0 (6:4, 7:6) | details | 23.08.2011 |
Austria: Kitzbuhel - Doubles - Main |
| Quarter-finals | Andreev I./Gimeno-Traver D. | Kas C./Peya A. | 2:0 (6:3, 6:3) | details | 04.08.2011 |
| 1/8-finals | Marrero D./Ramirez Hidalgo R. | Kas C./Peya A. | 0:2 (3:6, 5:7) | details | 02.08.2011 |
Switzerland: Gstaad - Doubles - Main |
| Final | Cermak F./Polasek F. | Kas C./Peya A. | 2:0 (6:3, 7:67) | details | 31.07.2011 |
| Semi-finals | Brunstrom J./Shamasdin A. | Kas C./Peya A. | 0:2 (4:6, 1:6) | details | 30.07.2011 |
| Quarter-finals | Gil F./Rosol L. | Kas C./Peya A. | 0:2 (4:6, 2:6) | details | 29.07.2011 |
| 1/8-finals | Allegro Y./Bohli S. | Kas C./Peya A. | 0:2 (0:6, 3:6) | details | 29.07.2011 |
Germany: Stuttgart - Doubles - Main |
| Semi-finals | Kas C./Peya A. | Melzer J./Petzschner P. | 0:2 (4:6, 1:6) | details | 15.07.2011 |
| Quarter-finals | Waske A./Zverev M. | Kas C./Peya A. | 0:2 (4:6, 0:6) | details | 13.07.2011 |
| 1/8-finals | Garcia-Lopez G./Zovko L. | Kas C./Peya A. | 0:2 (3:6, 2:6) | details | 12.07.2011 |
United Kingdom: Wimbledon - Doubles - Main |
| Semi-finals | Lindstedt R./Tecau H. | Kas C./Peya A. | 3:0 (6:3, 7:63, 6:2) | details | 30.06.2011 |
| Quarter-finals | Fleming C./Hutchins R. | Kas C./Peya A. | 2:3 (4:6, 4:6, 7:62, 6:2, 4:6) | details | 29.06.2011 |
| 1/8-finals | Kas C./Peya A. | Anderson K./Knowle J. | 3:2 (7:65, 61:7, 6:4, 5:7, 8:6) | details | 27.06.2011 |
| 1/16-finals | Melo M./Soares B. | Kas C./Peya A. | 1:3 (7:62, 1:6, 4:6, 2:6) | details | 25.06.2011 |
| 1/32-finals | Kas C./Peya A. | Andujar P./Gimeno-Traver D. | 2:0 (6:2, 6:3) | details | 23.06.2011 |
Netherlands: Hertogenbosch - Doubles - Main |
| 1/8-finals | Kas C./Peya A. | Lindstedt R./Tecau H. | 1:2 (6:7, 6:2, 7:10) | details | 15.06.2011 |
France: French Open - Doubles - Main |
| 1/8-finals | Kas C./Peya A. | Mirnyi M./Nestor D. | 0:2 (3:6, 4:6) | details | 29.05.2011 |
| 1/16-finals | Lopez M./Marrero D. | Kas C./Peya A. | 0:2 (4:6, 6:7) | details | 28.05.2011 |
| 1/32-finals | Arnold-Ker L./Chela J. I. | Kas C./Peya A. | 1:2 (6:4, 2:6, 4:6) | details | 25.05.2011 |
Morocco: Casablanca - Doubles - Main |
| Semi-finals | Kas C./Peya A. | Fleming C./Zelenay I. | 0:2 (6:7, 4:6) | details | 08.04.2011 |
| Quarter-finals | Marrero D./Ramirez Hidalgo R. | Kas C./Peya A. | 0:2 (5:7, 5:7) | details | 07.04.2011 |
| 1/8-finals | Kas C./Peya A. | Aspelin S./Knowle J. | RET. | details | 06.04.2011 |
USA: Delray Beach - Doubles - Main |
| Final | Lipsky S./Ram R. | Kas C./Peya A. | 2:1 (4:6, 6:4, 10:3) | details | 27.02.2011 |
| Semi-finals | Kas C./Peya A. | Ferreiro F./Sa A. | 2:1 (7:6, 3:6, 10:8) | details | 26.02.2011 |
| Quarter-finals | Becker B./Kohlmann M. | Kas C./Peya A. | 1:2 (6:4, 3:6, 8:10) | details | 24.02.2011 |
| 1/8-finals | Kas C./Peya A. | Brown D./Wassen R. | 2:0 (7:5, 6:4) | details | 21.02.2011 |
USA: San Jose - Doubles - Main |
| 1/8-finals | Del Potro J./Querrey S. | Kas C./Peya A. | 2:0 (6:3, 7:6) | details | 10.02.2011 |
Austria: Kitzbuhel - Doubles - Main |
| Semi-finals | Kas C./Peya A. | Melo M./Sa A. | 0:2 (4:6, 0:6) | details | 22.05.2009 |
| Quarter-finals | Arnold-Ker L./Marach O. | Kas C./Peya A. | 0:2 (3:6, 4:6) | details | 21.05.2009 |
| 1/8-finals | Kas C./Peya A. | Granollers M./Soares B. | 2:0 (6:3, 6:2) | details | 19.05.2009 |
USA: US Open - Doubles - Main |
| 1/32-finals | Kohlmann M./Schuttler R. | Kas C./Peya A. | 2:0 (6:2, 7:5) | details | 28.08.2007 |