Andy Roddick (File)

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New York - Former champion Andy Roddick gave young American Rhyne Williams a harsh introduction to Grand Slam tennis as he breezed to a 6-3, 6-4, 6-4 victory in their US Open first-round clash on Tuesday.

The 29-year-old, whose only Grand Slam title to date came in 2003, banged down 20 aces as he claimed victory on a sweltering day at Flushing Meadows.

Williams, a qualifier ranked 289th in the world, gave a good account of himself on the vast Arthur Ashe Stadium court but Roddick had too much experience and class for him.

The 20th seed now awaits the winner of the match between Australia's Bernard Tomic and Carlos Berlocq of Argentina.

Latest results on Tuesday from the second day of the US Open tennis championships at Flushing Meadows (x denotes seeding):

Men

First round

Tomas Berdych (CZE x6) bt David Goffin (BEL) 7-5, 6-3, 6-3
Jimmy Wang (TPE) bt Ivo Karlovic (CRO) 7-6 (7/4), 6-7 (8/10), 6-1, 6-4
Nicolas Almagro (ESP x11) bt Radek Stepanek (CZE) 6-4, 6-7 (5/7), 6-3, 6-4
Milos Raonic (CAN x15) bt Santiago Giraldo (COL) 6-3, 4-6, 3-6, 6-4, 6-4
Jo-Wilfried Tsonga (FRA x5) bt Karol Beck (SVK) 6-3, 6-1, 7-6 (7/2)
Steve Darcis (BEL) bt Malek Jaziri (TUN) 3-6, 6-1, 6-1, 6-1
Pablo Andujar (ESP) bt Tomaz Bellucci (BRA) 7-6 (7/5), 3-6, 7-6 (7/1), 7-5
Andy Roddick (USA x20) bt Rhyne Williams (USA) 6-3, 6-4, 6-4

Women

First round

Agnieszka Radwanska (POL x2) bt Nina Bratchikova (RUS) 6-1, 6-1
Ana Ivanovic (SRB x12) bt Elina Svitolina (UKR) 6-3, 6-2
Sofia Arvidsson (SWE) bt Kimiko Date-Krumm (JPN) 6-4, 6-2
Ekaterina Makarova (RUS) bt Eleni Daniilidou (GRE) 6-1, 6-4
Carla Suarez Navarro (ESP) bt Ksenia Pervak (KAZ) 7-5, 1-2, retired
Galina Voskoboeva (KAZ) bt Arantxa Rus (NED) 6-1, 6-3
Elena Vesnina (RUS) bt Peng Shuai (CHN x32) 7-6 (7/5), 6-1
Andrea Hlavackova (CZE) bt Klara Zakopalova (CZE x24) 6-4, 6-4
Roberta Vinci (ITA x20) bt Urszula Radwanska (POL) 6-1, 6-1
Lara Arruabarrena-Vecino (ESP) bt Shahar Peer (ISR) 6-4, 7-6 (7/5)
Ayumi Morita (JPN) bt Monica Niculescu (ROM x26) 6-3, 6-3