Date-Krumm, 42, stuns Kirilenko in Seoul
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Forty-two-year-old Japanese veteran Kimiko Date-Krumm stunned Russian second seed Maria Kirilenko to reach the WTA Korea Open quarter-finals on Thursday.
Date-Krumm, who will celebrate her 43rd birthday later this month, continued to roll back the years with a 6-3, 6-1 triumph over Kirilenko, the world number 19.
It was just the latest age-defying feat by Date-Krumm, who reached the third round at both the Australian Open and Wimbledon this year.
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Next up for the Japanese star is Russian third seed Anastasia Pavlyuchenkova, who dispatched South Korean wildcard Lee Ye-Ra to reach the last eight on Wednesday.
On Thursday, Polish top seed Agnieszka Radwanska also made it into the quarters when she beat Spain's Estrella Cabeza Candela 6-2, 6-1.
And Jang Su-Jeong kept home hopes alive when she beat Tunisia's Ons Jabeur in three sets, 1-6, 6-4, 6-1.