British hopefuls Heather Watson and Aljaz Bedene have bowed out of competition after being defeated by wildcards in the first round.
British number one Heather Watson lost in the Washington Open to 19-year-old American Louisa Chirico, a player ranked 128 in the world, in straight sets.
The match was Watson's first since coming agonisingly close to causing a major upset against eventual Wimbledon winner Serena Williams in June.
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The 23-year-old was clearly rusty through lack of match fitness and lost easily, 6-3 6-0.
Men's British number two Aljaz Bedene, 26, lost 6-7 (2-7) 6-4 6-1 to another wildcard, Dennis Novak, at the Generali Open in Kitzbuhel, Austria.
After solid performances at recent tournaments including reaching the second round at Wimbledon and the quarter-finals of the Hamburg Open, Bedene was unable to recapture his winning momentum.
Bedene is 26 and was originally born in Slovenia, however he became a British citizen in March 2015, so is available to represent Great Britain, and trains in London.
Both Watson and Bedene will play in the US Open, at Flushing Meadows. The tournament begins on 31 August.