From 30 aprill to 5 mai 2018
Rabat
Rabat / WTA International / 250,000 $
Mertens E
Prague
Prague / WTA International / 250,000 $
Kvitova P
From 5 mai to 12 mai 2018
Madrid
Madrid / WTA Premier / 3,671,405 €
Kvitova P
From 14 mai to 20 mai 2018
Rome
Rome / WTA Premier / 2,440,070 €
Svitolina E
From 20 mai to 26 mai 2018
Strasbourg
Strasbourg / WTA International / 250,000 €
Pavlyuchenkova A
Nuremberg
Nuremberg / WTA International / 250,000 €
Larsson J
From 27 mai to 10 juuni 2018