Kim Clijsters' first WTA Tour match in eight years ended in defeat to Garbiñe Muguruza at the Dubai Duty Free Championships.
She was beaten 6-2, 7-6 (6) in an hour and 37 minutes.
Meanwhile, Tunisian Ons Jabeur is into the last 16 after beating American Alison Riske, 7-6, 1-6, 6-3. She’ll now play world number 2 Simona Halep.
Czech Barbora Strycova has graduated into the last 16 after beating Amanda Anisimova 7-6, 2-6, 6-4.


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