Australian Open: Serena Williams wins title with ace
Serena Williams serves an ace to beat Maria Sharapova and win the 2015 Australian Open.
Williams' sixth win in Melbourne moves her past Martina Navratilova and Chris Evert with a 19th major singles title.
The 33-year old world number one has now beaten Sharapova, the world number two, 16 times in a row dating back to 2004.
Available to UK users only.