| Calendar prize money | $6,137,018 |
|---|---|
| Singles | |
| Season record | 81–4 (95.29%) |
| Calendar titles | 11 |
| Year-end ranking | No. 1 |
| Ranking change from previous year |  = |
| Grand Slam & significant results | |
| Australian Open | SF |
| French Open | SF |
| Wimbledon | W |
| US Open | W |
| Other tournaments | |
| Tour Finals | F |
| Davis Cup | |
| Davis Cup | WG PO (adv. to 2006 WG) |
← 2004 2006 → | |
Roger Federer contested two major finals in 2005, winning both at Wimbledon over Andy Roddick, 6–2, 7–6(2), 6–4, and the US Open over Andre Agassi, 6–3, 2–6, 7–6(1), 6–1. However, Federer failed to make the final at the other two majors, losing in the semifinals of the Australian Open to Marat Safin and the French Open to Rafael Nadal. Nevertheless, Federer won four Masters titles at Indian Wells, Miami, and Cincinnati on hard courts and one clay court title at Hamburg. Furthermore, Federer won two ATP 500 series events at Rotterdam and Dubai. Federer lost the year-end championships to David Nalbandian in the final.