By Shrivathsa Sridhar MELBOURNE (Reuters) -Defending champion Aryna Sabalenka will battle American 19th seed Madison Keys in ...

Madison Keys' coach Bjorn Fratangelo likened the prospect of facing Aryna Sabalenka to staring down Novak Djokovic, Serena Williams and Roger Federer at their best.

However, in a final impressive show of physical and mental resilience, Keys won five of the next six points to complete a ...