France: French Open - Doubles - Main |
| 1/32-finals | Dolgopolov A./Malisse X. | Knowles M./Mertinak M. | 2:0 (6:2, 7:6) | dettagli | 25.05.2011 |
Italy: Rome - Doubles - Main |
| 1/8-finals | Bryan B./Bryan M. | Knowles M./Mertinak M. | 2:0 (6:3, 6:2) | dettagli | 12.05.2011 |
| 1/16-finals | Lopez M./Marrero D. | Knowles M./Mertinak M. | 0:2 (3:6, 4:6) | dettagli | 10.05.2011 |
Spain: Barcelona - Doubles - Main |
| Quarter-finals | Bryan B./Bryan M. | Knowles M./Mertinak M. | 2:1 (6:4, 3:6, 10:8) | dettagli | 22.04.2011 |
| 1/8-finals | Butorac E./Rojer J. | Knowles M./Mertinak M. | 0:2 (4:6, 4:6) | dettagli | 21.04.2011 |
USA: Indian Wells - Doubles - Main |
| Quarter-finals | Knowles M./Mertinak M. | Federer R./Wawrinka S. | 0:2 (1:6, 5:7) | dettagli | 18.03.2011 |
| 1/8-finals | Knowles M./Mertinak M. | Erlich J./Ram A. | 2:0 (6:3, 6:4) | dettagli | 16.03.2011 |
| 1/16-finals | Lindstedt R./Tecau H. | Knowles M./Mertinak M. | 1:2 (6:2, 6:7, 10:12) | dettagli | 14.03.2011 |
Mexico: Acapulco - Doubles - Main |
| 1/8-finals | Knowles M./Mertinak M. | Hanescu V./Tecau H. | 0:2 (6:7, 1:6) | dettagli | 24.02.2011 |
USA: Memphis - Doubles - Main |
| Semi-finals | Mirnyi M./Nestor D. | Knowles M./Mertinak M. | 2:0 (7:6, 6:3) | dettagli | 19.02.2011 |
| Quarter-finals | Knowles M./Mertinak M. | Melo M./Soares B. | 2:1 (3:6, 6:3, 14:12) | dettagli | 17.02.2011 |
| 1/8-finals | Knowles M./Mertinak M. | Erlich J./Ram A. | 2:0 (6:4, 6:4) | dettagli | 17.02.2011 |
USA: San Jose - Doubles - Main |
| Semi-finals | Knowles M./Mertinak M. | Falla A./Malisse X. | 1:2 (6:4, 5:7, 4:10) | dettagli | 13.02.2011 |
| Quarter-finals | Knowles M./Mertinak M. | Del Potro J./Querrey S. | 2:1 (4:6, 6:1, 10:7) | dettagli | 12.02.2011 |
| 1/8-finals | Knowles M./Mertinak M. | Becker B./Kohlmann M. | 2:1 (6:7, 6:4, 10:4) | dettagli | 10.02.2011 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Knowles M./Mertinak M. | Butorac E./Rojer J. | 0:2 (6:7, 0:6) | dettagli | 21.01.2011 |
| 1/32-finals | Knowles M./Mertinak M. | Gabashvili T./Kukushkin M. | 2:0 (6:4, 7:6) | dettagli | 19.01.2011 |
Australia: Sydney - Doubles - Main |
| Quarter-finals | Bryan B./Bryan M. | Knowles M./Mertinak M. | 2:0 (6:3, 6:2) | dettagli | 13.01.2011 |
| 1/8-finals | Chardy J./Simon G. | Knowles M./Mertinak M. | 1:2 (6:4, 3:6, 6:10) | dettagli | 10.01.2011 |