Denis Kudla battles through a three-hour, 11-minute marathon against Thanasi Kokkinakis on Monday in Los Cabos.

Denis Kudla completes victory over Thanasi Kokkinakis at 1:16am local time Tuesday morning in Los Cabos.

Denis Kudla claims his seventh ATP Challenger Tour title, prevailing in Cary.

From left to right: Frances Tiafoe, Citi Open tournament manager Mark Ein, WTEF President/CEO Rebecca Crouch, Denis Kudla, Washington D.C. Mayor Muriel Bowser, Ward 4 Councilmember Brandon Todd, tennis commentator Brett Haber, and Donald Dell, co-founder of the Citi Open, take part in a special announcement on Wednesday.

American Denis Kudla loses just four first-serve points en route to a 6-3, 6-4 victory against Belgian Ruben Bemelmans in Newport on Monday.

Denis Kudla reaches his second ATP World Tour semi-final (2015 Atlanta) with victory over Yuichi Sugita on Friday in Halle.

Denis Kudla takes on Ivo Karlovic in the Houston second round Wednesday.

Denis Kudla earns his third career tour-level victory on clay at the Fayez Sarofim & Co. U.S. Clay Court Championship against former champion Fernando Verdasco.

Denis Kudla celebrates a return to the winners' circle in Drummondville, Canada.

Denis Kudla is off to a flying start in 2018, advancing to the QF in Dallas after reaching the second round as a qualifier at the Australian Open.

Denis Kudla enjoys more grass-court success in Newport.

After a hard-fought battle in Madrid, Denis Kudla and David Ferrer share a moment at the net.

Denis Kudla fights past Ivo Karlovic in three tie-break sets in the first round of the Mutua Madrid Open.

Denis Kudla reached his third ATP World Tour quarter-final at the BB&T Atlanta Open.

Denis Kudla beats Ryan Harrison in a third-set tie-break.

Denis Kudla is sitting at a career-high World No. 78 in the Emirates ATP Rankings

Denis Kudla earned a berth in the Wimbledon main draw after claiming the Ilkley title.