From 25 March to 5 April 2015
Miami
Miami / ATP Masters 1000 / 6,267,755 $
Djokovic N
From 31 March to 5 April 2015
Raanana
Raanana / ATP CH 125 / 125,000 $
Basilashvili N
From 6 April to 12 April 2015
Houston
Houston / ATP 250 / 539,730 $
Sock J
Casablanca
Casablanca / ATP 250 / 494,310 €
Klizan M
Naples
Naples / ATP CH 125 / 106,500 €
Munoz-De La Nava D
From 12 April to 19 April 2015
Monte-Carlo
Monte-Carlo / ATP Masters 1000 / 3,830,295 €
Djokovic N
From 20 April to 26 April 2015
Barcelone
Barcelone / ATP 500 / 2,265,235 €
Nishikori K
Bucharest
Bucarest / ATP 250 / 494,310 €
Garcia-Lopez G
From 27 April to 3 May 2015
Munich
Munich / ATP 250 / 494,310 €
Murray A
Istanbul
Istanbul / ATP 250 / 494,310 €
Federer R
Estoril
Estoril / ATP 250 / 494,310 €
Gasquet R
Madrid 
Madrid 
10:00 
vs 
vs 
Titles 2015