
Simona Halep has become the first No. 1-seeded woman to lose in first round of the U.S. Open in the professional era.
Halep was beaten 6-2, 6-4 by 44th-ranked Kaia Kanepi of Estonia on Monday in a match that was stunningly lopsided and lasted all of 76 minutes.
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But this is the second year in a row the Romanian exits the U.S. Open in the first round.