see more

MADRID, SPAIN - MAY 11: Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)

MADRID, SPAIN - MAY 11:  Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain.  (Photo by Clive Rose/Getty Images)

see more

MADRID, SPAIN - MAY 11: Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)

MADRID, SPAIN - MAY 11:  Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain.  (Photo by Clive Rose/Getty Images)

see more

MADRID, SPAIN - MAY 11: Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)

MADRID, SPAIN - MAY 11:  Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain.  (Photo by Clive Rose/Getty Images)

see more

MADRID, SPAIN - MAY 11: Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)

MADRID, SPAIN - MAY 11:  Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain.  (Photo by Clive Rose/Getty Images)

see more

MADRID, SPAIN - MAY 11: Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain. (Photo by Clive Rose/Getty Images)

MADRID, SPAIN - MAY 11:  Simona Halep of Romania in action during her match against CoCo Vandeweghe of USA on day six of the Mutua Madrid Open tennis at La Caja Magica on May 11, 2017 in Madrid, Spain.  (Photo by Clive Rose/Getty Images)