Here are the Vols' updated ATP Tour rankings as of April 15, 2013. The Vols are listed by highest singles ranking first. The number in parenthesis denotes change from previous week.
Singles: 117 (+27)
Doubles: 198 (-1)
Note: Became first Vol in 14 years to reach the semifinals of an ATP event ... He played his way into the semifinals of the US Open Clay Court Championships, eventually losing to world No. 12 Nicolas Almagro of Spain ... Climbed to a career-best No. 117 in singles as a result ... Trying to become 14th Vol to reach the top 100 ... Playing in the Sarasota Challenger this week, facing Tennys Sandgren in the first round.
Singles: 209 (+4)
Doubles: 165 (-1)
Note: Reached the second round of the $15K Oklahoma City Futures ... Facing Rhyne Williams to open the $100K Sarasota Challenger. The two are also playing together in doubles.
Singles: 258 (-10)
Doubles: 97 (-3)
Note: Reached the second round of the $100K Guadalajara Challenger in singles and made the doubles final with Sam Groth ... Playing in this week's $35K+H Mexico City Challenger.
Singles: 730 (+5)
Doubles: 979 (0)
Note: Off last week ... Off this week.