World no 1. in women´s tennis, Serena Williams, advances to the quarterfinals after beating 20-year-old American Madison Keys 6-3, 6-3 on Sunday.
This means Williams is only three victories away from winning all four Grand Slam titles in 2015. German Steffi Graf was the last one to achieve that back in 1988.
Williams, 33 will now face her 35-year-old sister Venus in the quarterfinals.