Ren Cancan is a female Chinese boxer who has won three world championships, she lost in both of her Olympic Games, to which double-champion British professional boxer?
Nicola Adams Nicola Adams {'1': ", '2': ", '3': ", '4': "} (born 26 October 1982) is a British professional boxer. The first woman to win an Olympic boxing title, she is the 2012 and 2016 Olympic gold medallist in the women's flyweight division. As of 27 May 2016 she is the reigning Olympic, World, Commonwealth Games and European Games champion at flyweight.
George Groves (boxer) George Groves (born 26 March 1988) is a British professional boxer. He has held the WBA (Super) super-middleweight title since May 2017, and previously the European, British, and Commonwealth super-middleweight titles between 2010 and 2014. As an amateur, Groves won the ABA middleweight title twice, in 2007 and 2008.