Their rollercoaster matchup went a full three games .
Luo took gold in the end with a 21 - 13 , 11 - 21 , 21 - 17 victory .
Their rollercoaster matchup went a full three games , but Luo took gold in the end with a 21 - 13 , 11 - 21 , 21 - 17 victory .