Four British players have reached the second round of US Open qualifying.
Women's number two Elena Baltacha saw off Pole Anna Korzeniak 7-6 (7-5) 5-7 6-0, while Melanie South beat Alberta Brianti of Italy 6-2 3-6 6-3.
They were joined by Katie O'Brien, who battled past Croatia's Petra Martic 3-6 6-4 6-0, but Naomi Cavaday went out.
GB men's number three Josh Goodall beat Spain's Miguel Angel Lopez Jaen 6-3 6-3 but Alex Bogdanovic, Alex Slabinsky and Richard Bloomfield all crashed out.
Goodall is currently at a career-high singles world ranking of 199 having reached a final and semi-final at Challenger events in New Delhi during the last fortnight.
The 22 year-old also picked up a doubles title in India with fellow Brit James Ward.
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Goodall hit eight aces en route to victory over Lopez Jaen in 68 minutes and will now meet Argentina's Diego Hartfield in the second round.
Bogdanovic was beaten 7-6 (8-6) 6-4 by Slovakia's Lukas Lacko, Slabinsky lost 6-4 6-3 to KJ Hippensteel of the United States, and Bloomfield bowed out 6-7 (3-7) 6-3 6-4 against Uruguayian Pablo Cuevas.
Cavaday lost a see-saw encounter against Slovakia’s Kristina Kucova, winning the first set 6-1, but dropping the next two 6-3 and 6-1.
Britain's Anne Keathovong is already in the main draw, along with men's sixth seed Andy Murray, thanks to her world ranking of 86th.
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