From 8 April to 14 April 2013
Houston
Houston / ATP 250 / 500,000 $
Isner J
Casablanca
Casablanca / ATP 250 / 450,000 €
Robredo T
From 14 April to 21 April 2013
Monte-Carlo
Monte-Carlo / ATP Masters 1000 / 2,646,495 €
Djokovic N
From 22 April to 28 April 2013
Barcelone
Barcelone / ATP 500 / 2,072,500 €
Nadal R
Bucharest
Bucarest / ATP 250 / 450,000 €
Rosol L
From 29 April to 5 May 2013
Munich
Munich / ATP 250 / 450,000 €
Haas T