Mutua Madrid Open - Day Five [Getty Images]

MADRID, SPAIN - MAY 07: Coach and father Piotr Wozniacki gives advice to Caroline Wozniacki of Denmark in her match against Roberta Vinci of Italy during day five of the Mutua Madrid Open tennis tournament at the Caja Magica on May 7, 2014 in Madrid, Spain. (Photo by Julian Finney/Getty Images)

Getty Images Sport Julian Finney