The win ensured last year’s finalist, Tipsarevic entered the quarter-finals. Meanwhile, Go Soeda, the eighth seed from Japan, dug deep into his reserves to get past a battling qualifier Prakash Amritraj 7-6 (2), 3-6, 6-4, quarter-finals.
The 28-year old Soeda, ranked 60, saved a set point in the first and then shrugged off a wayward second to beat the US-born Amritraj.
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