Sock prevails in Auckland; Benneteau wins in Sydney

Heineken Open, Auckland, New Zealand

First-round results:

Jack Sock defeats Adrian Mannarino 6-3, 6-4; Horacio Zeballos defeats Filippo Volandri 6-0, 76(1); R32 Santiago Giraldo defeats Albert Montanes 6-1, 7-6(3).

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Apia International Sydney, Sydney, Australia

First-round results:

(6) Julien Benneteau defeats Matthew Ebden 6-2, 6-2; Denis Istomin defeats Pablo Andujar 6-1, 6-2; Lukas Rosol defeats Joao Sousa 7-6(5), 4-6, 7-6(1).