2005 ATP Masters Series Singles Singles

| Tournament | Surface | Week | Winner | Runner_up | Semifinalists |
|---|---|---|---|---|---|
| Indian Wells | Hard | March 7 | Roger Federer (1) 6–2, 6–4, 6–4 | Lleyton Hewitt (2) | Guillermo Cañas (14) Andy Roddick (3) |
| Miami | Hard | March 21 | Roger Federer (1) 2–6, 6–7(4), 7–6(5), 6–3, 6–1 | Rafael Nadal (29) | Andre Agassi (9) David Ferrer |
| Monte Carlo | Clay | April 11 | Rafael Nadal (11) 6–3, 6–1, 0–6, 7–5 | Guillermo Coria (6) | Richard Gasquet (Q) Juan Carlos Ferrero (WC) |
| Rome | Clay | May 2 | Rafael Nadal (5) 6–4, 3–6, 6–3, 4–6, 7–6(6) | Guillermo Coria (9) | Andre Agassi (6) David Ferrer |