2006 ATP Masters Series Singles Singles

| Tournament | Surface | Week | Winner | Finalist | Semifinalists |
|---|---|---|---|---|---|
| Indian Wells | Hard | March 6 | Roger Federer (1) 7–5, 6–3, 6–0 | James Blake (12) | Paradorn Srichaphan Rafael Nadal (2) |
| Miami | Hard | March 20 | Roger Federer (1) 7–6(5), 7–6(4), 7–6(6) | Ivan Ljubičić (6) | David Ferrer (11) David Nalbandian (3) |
| Monte Carlo | Clay | April 17 | Rafael Nadal (2) 6–2, 6–7(2), 6–3, 7–6(5) | Roger Federer (1) | Fernando González (12) Gastón Gaudio (7) |
| Rome | Clay | May 8 | Rafael Nadal (2) 6–7(0), 7–6(5), 6–4, 2–6, 7–6(5) | Roger Federer (1) | David Nalbandian Gaël Monfils |
| Hamburg | Clay | May 15 | Tommy Robredo 6–1, 6–3, 6–3 | Radek Štěpánek | Mario Ančić José Acasuso |