WTA Carlsbad - American Christina McHale moves into quarter finals but Melanie Oudin is ousted

Second seed Domnika Cibulkova is throough to the quarter finals of the Mercury Insurance Open in Carlsbad.

Cibulkova beat Kiwi Marina Erakovic 6-2, 6-4 to move into the quarter finals on Thursday.

5th seeded American Christina McHale was a three set winner over Misaki Doi while fellow American Melanie Oudin was not so lucky as she fell to Poland's Urszula Radwanska in straight sets.

Top seeded doubles team Liezel Huber and Lisa Raymond are also through

Singles - Second Round
(2) Dominika Cibulkova (SVK) d. Marina Erakovic (NZL) 62 64
(5) Christina McHale (USA) d. Misaki Doi (JPN) 46 64 64
Urszula Radwanska (POL) d. (LL) Melanie Oudin (USA) 62 61

Doubles - Quarterfinals
(1) Huber/Raymond (USA/USA) d. Chan/Chan (TPE/TPE) 62 76(3)

Doubles - First Round
(2) King/Petrova (USA/RUS) d. Glatch/Oudin (USA/USA) 75 62