<p>Despite boasting 34 Grand Slam singles titles between them, Serena Williams and Roger Federer were forced to share the spotlight with a 15-year-old at the US Open on Tuesday as all three advanced to the second round.<br /><br /></p>.<p>American wild card Catherine Bellis, the youngest player in the draw, took her place alongside the five-times US champions by stunning 12th seeded Australian Open finalist Dominica Cibulkova of Slovakia 6-1, 4-6, 6-4.<br /><br />The second-seeded Federer, looking to extend his record men's haul of Slam titles to 18, posted a 6-3, 6-4, 7-6 (7-4) victory over Australian Marinko Matosevic as the 33-year-old's boyhood idol Michael Jordan looked on. Williams advanced 6-3, 6-1 over unseeded fellow American Taylor Townsend as she followed Federer onto the Arthur Ashe Stadium court to cap the second day of the championships.<br /><br />Should she go on to win the tournament, the two-times defending champion would join Chris Evert and Martina Navratilova in fourth place on the all-time list of women's Grand Slam singles champions with 18 titles apiece.<br /><br />"I can just build on this," said Williams, who has had a disappointing Slam season. Wimbledon champion Petra Kvitova and runner-up Eugenie Bouchard launched their Open campaigns with a bang, blasting by their respective first-round opponents. <br /><br />Bopanna-Quereshi exit<br /><br />India’s Rohan Bopanna and his Pakistani partner Aisam Qureshi crashed out in the men’s doubles first round on Tuesday. The 13th-seeded pair, lost 6-7 (10-12), 6-4, 6-7 (5-7) to the unseeded Italian pair of Daniele Bracciali and Andreas Seppi.</p>
<p>Despite boasting 34 Grand Slam singles titles between them, Serena Williams and Roger Federer were forced to share the spotlight with a 15-year-old at the US Open on Tuesday as all three advanced to the second round.<br /><br /></p>.<p>American wild card Catherine Bellis, the youngest player in the draw, took her place alongside the five-times US champions by stunning 12th seeded Australian Open finalist Dominica Cibulkova of Slovakia 6-1, 4-6, 6-4.<br /><br />The second-seeded Federer, looking to extend his record men's haul of Slam titles to 18, posted a 6-3, 6-4, 7-6 (7-4) victory over Australian Marinko Matosevic as the 33-year-old's boyhood idol Michael Jordan looked on. Williams advanced 6-3, 6-1 over unseeded fellow American Taylor Townsend as she followed Federer onto the Arthur Ashe Stadium court to cap the second day of the championships.<br /><br />Should she go on to win the tournament, the two-times defending champion would join Chris Evert and Martina Navratilova in fourth place on the all-time list of women's Grand Slam singles champions with 18 titles apiece.<br /><br />"I can just build on this," said Williams, who has had a disappointing Slam season. Wimbledon champion Petra Kvitova and runner-up Eugenie Bouchard launched their Open campaigns with a bang, blasting by their respective first-round opponents. <br /><br />Bopanna-Quereshi exit<br /><br />India’s Rohan Bopanna and his Pakistani partner Aisam Qureshi crashed out in the men’s doubles first round on Tuesday. The 13th-seeded pair, lost 6-7 (10-12), 6-4, 6-7 (5-7) to the unseeded Italian pair of Daniele Bracciali and Andreas Seppi.</p>