von 2 April zu 8 April 2018
Charleston
Charleston / WTA Premier / 710,000 $
Bertens K
Monterrey
Monterrey / WTA International / 500,000 $
Muguruza G
von 9 April zu 15 April 2018
Lugano
Lugano / WTA International / 250,000 $
Mertens E
Bogota
Bogota / WTA International / 250,000 $
Schmiedlova A
von 16 April zu 22 April 2018
Zhengzhou
Zhengzhou / WTA125 / 125,000 $
Zheng S
von 23 April zu 29 April 2018
Stuttgart
Stuttgart / WTA Premier / 710,000 €
Istanbul
Istanbul / WTA International / 250,000 $
von 30 April zu 5 Mai 2018
Prag
Prague / WTA International / 250,000 $
Rabat
Rabat / WTA International / 250,000 $
Anning
Anning / WTA125 / 115,000 $
Anning 
08:52 
Stuttgart 
vs 
vs 
Titel 2018