China's Zheng finally relaxed after hard-earned Olympic gold at Roland Garros
Kerber's final tournament ends in thrilling quarters loss to Zheng
China's Qinwen Zheng downcast by Aryna Sabalenka reality check in Melbourne final
Qinwen Zheng sinks Oceane Dodin to book Melbourne quarter-final spot
Zheng gets surprise visit from Chinese icon Li Na amid impressive Australian Open run
One small step for Zhang, one giant leap for Chinese men's game
