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Austrian Dominic Thiem during Mutua Madrid Open 2018 at Caja Magica in Madrid, Spain. May 11, 2018. (Photo by BorjaB.Hojas/Alter Photos/Sipa USA Stock Photo - Alamy
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ATP Masters Madrid: Dominic Thiem opens against qualifiers, Alexander Zverev threatens quarter-final duel with Rafael Nadal · tennisnet.com
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