The top seed overcame a one-set deficit to win.
The Dutchwoman defeated world number one Simona Halep to earn Western & Southern championship.
The 16-year-old became the youngest WTA player to win a main-draw match in tournament history
The Spaniard will face young gun Stefanos Tsitsipas for the title
The nineteen-year-old advances in front of home crowd
The former British no. 1 defeated the current British no. 1 as he continues his comeback from injury