Emma Raducanu is facing a race to be fit for Wimbledon after missing a practice session on Thursday, Your Site News understands.
The British No 1 has not played a match since reaching the final at Queen's Club a week-and-a-half ago, choosing not to play in Nottingham or Eastbourne.
She practised on Monday but was spotted in a protective boot on her right foot on Wednesday evening.
The 23-year-old was listed on the practice schedule for 12pm on Thursday but Your Site News understands she did not show up and is managing a niggle after Queen's.
It has been another stop-start season for the former US Open champion, who missed two-and-a-half months with a post-viral illness having initially fallen unwell in February.
She played just two matches on clay but things appeared to have turned around at Queen's Club, with Raducanu reaching just her second final since her historic run at the US Open five years ago having reunited with coach Andrew Richardson.
However, it appears the physical toll of that run in west London, which included playing two matches in a day because of rain, could now impact her chances at Wimbledon, which begins on Monday.
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