Here are the Vols' updated ATP Tour rankings as of Feb. 4, 2013. The Vols are listed by highest singles ranking first. The number in parenthesis denotes change from previous week.
Singles: 191 (-1)
Doubles: 192 (+3)
Note: Off last week ... playing this week in the $100,000 Challenger of Dallas, playing wild card and former Texas A&M standout Austin Krajicek in the opening round ... Playing doubles with Tennys Sandgren ... Now in the top 200 in both singles and doubles.
Singles: 217 (+2)
Doubles: 156 (+4)
Note: Off last week ... playing this week in the $100,000 Challenger of Dallas, taking on German Mischa Zverev in the opening round ... Playing doubles with Rhyne Williams ... Singles ranking is a career best.
Singles: 238 (+2)
Doubles: 96 (+2)
Note: Defended his doubles title at the $50,000 Burnie Challenger last week in Tazmania last week ... Staying in Australia for one more tournament, the $50,000 West Lakes Challenger ... Last week reached top 100 in doubles for first time.
Singles: 851 (+15)
Doubles: 1117 (+471)
Note: Has started the year out playing in Israel, reaching a doubles final in Eilat and reaching the second round of singles at two events ... Pulled out of qualifying in Israel last week ... Doubles ranking up to its highest mark since 2007.