(UPDATED 15 SEPTEMBER 2021)
- Achieved career-high No. 39 and earned personal-best 22 wins in 2019.
- Posted 1st Top-10 win vs. No. 10 Youzhny to capture 2010 St. Petersburg title, then beat No. 4 Wawrinka for biggest win of career in 2014 Basel 1R.
- Advanced to 2012 Australian Open 4R following 5-set wins over Troicki and Monfils and 2019 Wimbledon 4R after beating Isner in 5 sets.
- Owns 180-84 Challenger record with 14 titles and wins over former or future Top-10 players Ancic, Bautista Agut, Berrettini, Goffin, Khachanov and Schwartzman.
- Underwent left hip surgery on 25 September 2012 and right hip surgery on 8 October 2012.