From 27 April to 2 May 2015
Marrakech
Marrakech / WTA International / 250,000 $
Svitolina E
Prague
Prague / WTA International / 250,000 $
Pliskova K
From 2 May to 9 May 2015
Madrid
Madrid / WTA Premier / 3,671,405 €
Kvitova P
From 11 May to 17 May 2015
Rome
Rome / WTA Premier / 2,440,070 €
Sharapova M
From 17 May to 23 May 2015
Nuremberg
Nuremberg / WTA International / 250,000 €
Knapp K
Strasbourg
Strasbourg / WTA International / 220,000 €
Stosur S
From 24 May to 6 June 2015