Latvian teenager Anastasija Sevastova claimed easily the biggest win of her career as she knocked out top seed Jelena Jankovic in the first round of the Monterrey Open.

Third seed Venus Williams survived a major scare at Flushing Meadows as she came from a set down to beat Vera Dushevina on the first night at the 2009 US Open.

Former world number one Lleyton Hewitt fought back from a set down to reach the second round of the Miami Masters today with victory over Israel’s Dudi Sela.