Highlights: New No.1 Kerber loses in China
Watch Angelique Kerber suffer her first defeat as world number one, in three sets against Petra Kvitova at the Wuhan Open.
Stephen A. says Serena's poise is unlike anything he's ever seen
Stephen A. Smith reacts to Serena Williams' post on Facebook about fearing for her nephew's safety after asking him to drive for her, and going on to say that she will not be silent regarding her thoughts on social injustice.
Tiafoe shows amazing resilience to win point
Frances Tiafoe sprints across the court for a brilliant point against Alexander Sarkissian en route to a 6-4, 3-6, 7-5 win at the Tiburon Challenger.