Official counts for net approaches.
2003 Wimbledon..........d. Philippoussis..........3 sets............20 of 29............69%
2004 Australian............d. Safin..........…….....3 sets............17 of 25............68%
2004 Wimbledon..........d. Roddick..........…....4 sets............27 of 44............61%
2004 USO..........……...d. Hewitt..........……..3 sets............31 of 35............89%
2005 Wimbledon..........d. Roddick..........……3 sets............17 of 25............68%
2005 USO.........……....d. Agassi..........……..4 sets............15 of 25............60%
2006 Australian............d. Baghdatis..........….4 sets............32 of 41............78%
2006 French..........……Lost to Nadal........….4 sets............30 of 41............73%
2006 Wimbledon..........d. Nadal..........………4 sets............21 of 33............64%
2006 USO..........……...d. Roddick........…......4 sets............26 of 38............68%
2007 Australian............d. Gonzalez..........…...3 sets............34 of 43............79%
2007 French..........……Lost to Nadal..........…4 sets............21 of 34............62%
2007 Wimbledon..........d. Nadal..........………5 sets............30 of 51............59%
2007 USO..........……...d. Djokovic..........…..3 sets............19 of 24............79%
2008 French..........……Lost to Nadal........…..3 sets............18 of 42............43%
2008 Wimbledon..........Lost to Nadal......…....5 sets............42 of 75............56%
2008 USO..........……..d. Murray........….……3 sets............31 of 44............70%
2009 Australian............Lost to Nadal.........….5 sets............43 of 60............72%
2009 French..........……d. Soderling.........…...3 sets............9 of 11............82%
2009 Wimbledon..........d. Roddick........….….5 sets............38 of 59............64%
2009 USO..........……...Lost to Del Potro........5 sets............31 of 47............66%
2010 Australian............d. Murray..........……...3 sets............31 of 43............72%
2011 French..........……Lost to Nadal........…..4 sets............30 of 41............73%
2012 Wimbledon..........d. Murray.......…….....4 sets............53 of 68............78%
2003 Wimbledon..........d. Philippoussis..........3 sets............20 of 29............69%
2004 Australian............d. Safin..........…….....3 sets............17 of 25............68%
2004 Wimbledon..........d. Roddick..........…....4 sets............27 of 44............61%
2004 USO..........……...d. Hewitt..........……..3 sets............31 of 35............89%
2005 Wimbledon..........d. Roddick..........……3 sets............17 of 25............68%
2005 USO.........……....d. Agassi..........……..4 sets............15 of 25............60%
2006 Australian............d. Baghdatis..........….4 sets............32 of 41............78%
2006 French..........……Lost to Nadal........….4 sets............30 of 41............73%
2006 Wimbledon..........d. Nadal..........………4 sets............21 of 33............64%
2006 USO..........……...d. Roddick........…......4 sets............26 of 38............68%
2007 Australian............d. Gonzalez..........…...3 sets............34 of 43............79%
2007 French..........……Lost to Nadal..........…4 sets............21 of 34............62%
2007 Wimbledon..........d. Nadal..........………5 sets............30 of 51............59%
2007 USO..........……...d. Djokovic..........…..3 sets............19 of 24............79%
2008 French..........……Lost to Nadal........…..3 sets............18 of 42............43%
2008 Wimbledon..........Lost to Nadal......…....5 sets............42 of 75............56%
2008 USO..........……..d. Murray........….……3 sets............31 of 44............70%
2009 Australian............Lost to Nadal.........….5 sets............43 of 60............72%
2009 French..........……d. Soderling.........…...3 sets............9 of 11............82%
2009 Wimbledon..........d. Roddick........….….5 sets............38 of 59............64%
2009 USO..........……...Lost to Del Potro........5 sets............31 of 47............66%
2010 Australian............d. Murray..........……...3 sets............31 of 43............72%
2011 French..........……Lost to Nadal........…..4 sets............30 of 41............73%
2012 Wimbledon..........d. Murray.......…….....4 sets............53 of 68............78%