Karolina Pliskova defeated Barbora Krejcikova in Guadalajara but failed to make the semi-finals after Garbiñe Muguruza beat Anett Kontaveit
Anett Kontaveit
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Garbiñe Muguruza avenged her controversial US Open defeat to Barbora Krejcikova with a battling win in Guadalajara
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Anett Kontaveit beat Barbora Krejcikova in the opening match of the WTA Finals before Karolina Pliskova edged a three-set thriller
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Alexander Zverev defeated Frances Tiafoe to claim his fifth title of the season, while Anett Kontaveit beat Simona Halep in Cluj-Napoca