Meet the teenager who gatecrashed Serena and Federer's party at US Open

Catherine Bellis of the United States returns a shot against Dominika Cibulkova of Slovakia during their women's singles first round match at the 2014 US Open. Streeter Lecka/Getty Images Despite......

Miami Open: Serena, Halep advance; Azarenka falls to Pennetta

Serena Williams of the United States plays a backhand against Catherine Bellis. Photograph: Clive Brunskill/Getty Images World No 1 Serena Williams comfortably beat 15-year-old CiCi Bellis 6-1,......

7 women who caused shock and awe at US Open!

Aleksandra Krunic of Serbia returns a shot against Petra Kvitova of the Czech Republic during their women's singles third round match at the US Open. Photograph: Al Bello/Getty Image The......

Frustrated Halep happy to advance in Melbourne

'It's just a tournament, and I'm sure that for you guys it's a little bit of shock when the top 10 players are losing, but it's life and we cannot be 100% every day.'   IMAGE: Romania's Simona......

Tennis Roundup: Federer closes in on World No 1 ranking

IMAGE:  Switzerland's Roger Federer celebrates winning. Photograph: Issei Kato/Reuters Roger Federer is one win from becoming the oldest world number one in ATP Tour history after beating......