A 'Leona Maguire Tracker' account claims to have been blocked by the Cavan golfer on Twitter.
The @MaguireTracker Twitter account said it was a "shock" after seemingly being blocked by the world number 19 women's golfer.
A tweet from the account on Sunday night read: "This is a shock. We love you Leona. I’ll keep supporting you always."
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Another post from the account later said: "Can only hope it’s a mistake. This has been a great supportive community for Ireland’s finest, proud to help keep everyone updated."
Maguire narrowly missed out on a place in the final of the Bank of Hope LPGA Match Play as she lost 2&1 to Japan's Ayaka Furue in a semi-final in Las Vegas.
Maguire faded on the back nine holes against Furue as the Japanese player won four holes and lost none. She went on to lose to Pajaree Anannarukarn of Thailand, who beat her 3&1 in the final.
Posting on Twitter on Sunday night, the Cavan native wrote: "Played great golf this week but came up just short in the semis. It was a treat to play at Shadow Creek for the @LPGAMatchPlay and thanks @MGMResortsIntl for the hospitality. Wish we played courses as pure as that every week! NYC here we come. #onwardsandupwards
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