RIO DE JANEIRO, BRAZIL - AUGUST 08: Caroline Wozniacki of Denmark plays a forehand during the Women's Singles second round match against Petra Kvitova of the Czech Republic on Day 3 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Petra Kvitova of the Czech Republic plays a forehand during the Women's Singles second round match against Caroline Wozniacki of Denmark on Day 3 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Petra Kvitova of the Czech Republic plays a backhand during the Women's Singles second round match against Caroline Wozniacki of Denmark on Day 3 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Caroline Wozniacki of Denmark serves during the Women's Singles second round match against Petra Kvitova of the Czech Republic on Day 3 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 08: Caroline Wozniacki of Denmark plays a backhand during the Women's Singles second round match against Petra Kvitova of the Czech Republic on Day 3 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 8, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)
