In 2000, he reached quarterfinals in singles and doubles at Junior Wimbledon and was ranked #30 in the world junior rankings.
He has successfully represented his country in the Davis Cup on twelve occasions since 2001. His record is 16-6 in singles and 4–0 in doubles.
His best Grand Slam performance so far has been the Australian Open title in 2014 (with Robert Lindstedt). He also reached the semi-final of the 2009 Australian Open and the quarter-finals of the 2009 Wimbledon championships and of the 2011 Aussie Open (partnering Oliver Marach).
Lukasz reached the 4th round at the 2010 Australian Open 3rd round at the 2006 US Open.
ATP World Tour
Teamed with Oliver Marach, he captured five ATP World Tour doubles titles in 2009 and 2010 (Casablanca, Belgrade, Vienna, Santiago, Acapulco) and qualified for ATP World Tour Finals 2009 and 2010 in London where he failed to progress from the round-robin stage on both occasions. He finished 2009 as No. 7 in ATP Team Rankings and No. 12 individually.
He enjoyed a breakthrough season in 2009 by reaching his first ATP World Tour final in Belgrade as a lucky loser (l. to Djokovic) and becoming the first Polish finalist in 26 years (since Wojciech Fibak, 1983). In 2009, he also recorded one of the biggest wins of his career by beating World No. 6 Andy Roddick 6-2, 6-4 in Beijing. In 2010, he finishes runner-up at Costa do Sauipe, losing to Juan Carlos Ferrero in the final.
|Training base||Prague, Czech Republic|
|Favourite Grand Slam||Australian Open|
|Clubs||TK Neride (CZE) www.tkneride.cz and RW Erfurt (GER) www.etc-rot-weiss.de|
|Started playing||Aged 7|
|Tennis idols||Kafelnikov, Edberg, Bjorkman|
|Family||mum Dorota, dad Janusz (a soccer coach), younger sister Paulina (a college student)|
|Languages||Polish, Czech, German, English, Russian|
|Interests||Watching tennis on television|