RIO DE JANEIRO, BRAZIL - AUGUST 13:  Petra Kvitova of the Czech Republic reacts after defeating Madison Keys of the United States in the Women's Singles Bronze Medal Match on Day 8 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 13, 2016 in Rio de Janeiro, Brazil. Kvitova defeated Keys 7-5, 2-6, 6-2.  (Photo by Dean Mouhtaropoulos/Getty Images)