Somdev Devvarman stunned second seed and world no.92 Bobby Reynolds to enter the quarterfinals of the US$ 50,000 ATP Challenger in Lexington, Kentucky.
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Somdev, ranked 566, came back from a set down to beat USA's Reynolds 6-7, 7-5, 6-4 in the second round on Wednesday, to extend his winning streak to 12.
The 23-year-old Indian, who created history when he defended his NCAA US Collegiate title in May, is unbeaten in tour events this year, pocketing three Futures events in the USA.
Somdev next faces Italy's Andrea Stoppini, who was a 6-1, 7-6 winner over USA's Bryan Koniecko.
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