|Born||22 May 1985|
|Plays||Right-handed (two-handed backhand)|
|Career record||19-19 (ATP Tour and Grand Slam main draws, and Davis Cup)|
|Highest ranking||No. 226 (26 October 2009)|
|Grand Slam singles results|
|Australian Open||Q1 (2008)|
|US Open||Q2 (2007)|
|Career record||5-8 (ATP Challenger Tour, ATP Tour and Grand Slam main draws, and Davis Cup)|
|Highest ranking||No. 136 (18 October 2010)|
|Last updated on: 13 February 2012.|
As a junior, Ju?ka reached as high as no. 43 in the junior world singles rankings in 2002 (and no. 15 in doubles). He competed in the main draw of the Australian Open boys' singles event in both 2002 and 2003, also reaching the quarterfinals of the doubles event in the latter year.
Ju?ka has won 17 events at the ITF Futures level. Ju?ka has yet to play in an ATP World Tour or Grand Slam event main draw.
|Outcome||No.||Date (Final)||Tournament||Surface||Partner||Opponents in the final||Score|
|Runner-up||6.||12 September 2010||Saint-Rémy-de-Provence, France||Hard||Deniss Pavlovs|| Gilles Müller
|0-6, 6-2, [11-13]|