Here are the Vols' updated ATP Tour rankings as of Sept. 9, 2013. The Vols are listed by highest singles ranking first. The number in parenthesis denotes change from previous week.
Singles: 125 (-10)
Doubles: 157 (-2)
Note: Lost in the first round of the U.S. Open to Russia's Nikolay Davydenko in five sets ... Off this week.
Singles: 230 (-4)
Doubles: 142 (-1)
Note: Off last week ... Playing this week at the $75,000 Challenger in Istanbul, Turkey.
Singles: 272 (+32)
Doubles: 72 (0)
Note: Off last week ... Lost in first round of doubles at the U.S. Open ... Singles points added for winning a $15,000 Futures title in Canada ... Playing this week at the $75,000 Challenger in Instanbul, Turkey.
Singles: 698 (-31)
Doubles: 519 (+62)
Note: Reached the doubles finals and second round of singles last week at a $10,000 Futures in Italy last week ... Playing another $10,000 Futures in Italy this week ... Doubles ranking is a career best.