John Peers and Filip Polasek defeat Novak Djokovic and Filip Krajinovic on Wednesday in Paris.

Filip Polasek and John Peers hold off Jurgen Melzer and Alexander Zverev to reach the quarter-finals at the Erste Bank Open in Vienna.

Ivan Dodig and Filip Polasek are chasing their second ATP Masters 1000 team title.

Filip Polasek and Ivan Dodig beat Oliver Marach and Luke Saville to reach the Miami semi-finals.

Filip Polasek (left) and Ivan Dodig (right) celebrate winning the Australian Open doubles titles on Sunday.

Ivan Dodig and Filip Polasek celebrate capturing the Australian Open doubles title on Sunday.

Ivan Dodig (right) and Filip Polasek (left) own a 9-2 record this year.

Ivan Dodig and Filip Polasek own two ATP Tour team titles.

Filip Polasek and Ivan Dodig score their maiden win at the Nitto ATP Finals.

Filip Polasek and Ivan Dodig improve to 3-0 in their FedEx ATP Head2Head series against Raven Klaasen and Michael Venus.

Filip Polasek and Ivan Dodig end their 2019 season with a 27-11 team record.

The world's eight leading teams pose for the official 2019 Nitto ATP Finals doubles photo.

Filip Polasek and Ivan Dodig own an 18-5 tour-level record as a team.

Filip Polasek/Ivan Dodig advance on Tuesday at the China Open in Beijing

Ivan Dodig and Filip Polasek beat the Top 2 seeds in Cincinnati as well as Bob Bryan/Mike Bryan en route to their first team title.

Filip Polasek and Ivan Dodig defeat Juan Sebastian Cabal and Robert Farah to capture the Cincinnati title.

Filip Polasek and Ivan Dodig reach their first ATP Masters 1000 final as a team.

Philipp Oswald and Filip Polasek did not face a break point against Sander Gille and Joran Vliegen in the Generali Open final on Saturday.

Filip Polasek and Ivan Dodig wrap up opening-round doubles play at Wimbledon with their five-set win.

John Peers and Filip Polasek celebrate their first team title, clinched at the BNP Paribas Open.

John Peers and Filip Polasek win the Sydney Tennis Classic to claim their second title as a team.

Ivan Dodig and Filip Polasek kept their semi-final hopes alive at the Nitto ATP Finals on Tuesday.