Nikola Cacic in action on Tuesday alongside Novak Djokovic, who was competing in Cincinnati for the first time since 2019.

Tomislav Brkic and Nikola Cacic defeat Felix Auger-Aliassime and Stan Wawrinka on Sunday in Monte Carlo.

Filip Krajinovic and Nikola Cacic defeat Viktor Durasovic and Casper Ruud in decisive doubles rubber on Saturday in Sydney.

Team Serbia, led by Dusan Lajovic (left), share a joke ahead of the 2022 ATP Cup, which begins on Saturday.

Tomislav Brkic and Nikola Cacic save four of the five break points they face to reach the final in Moscow.

Tomislav Brkic and Nikola Cacic eliminate second seeds Marcus Daniell and Philipp Oswald on Wednesday in Marbella.

Serbia will face Germany for a place in the ATP Cup semi-finals.

Mate Pavic and Nikola Cacic capture their first ATP Tour title as a team at the Open Sud de France on Sunday.

Novak Djokovic takes a selfie with his Team Serbia teammates after winning the ATP Cup.

Dusan Lajovic and Nikola Cacic own a 5-3 tour-level record as a team.

Dusan Lajovic and Nikola Cacic defeat Jonathan Erlich and Fabrice Martin to lift the Chengdu Open title on Sunday.

Tomislav Brkic (right) and Nikola Cacic took down third seeds Marcelo Arevalo and Matwe Middelkoop at the AnyTech365 Andalucia Open.

Tomislav Brkic and Nikola Cacic win their first ATP Tour doubles title at the Argentina Open with a victory over fourth seeds Ariel Behar and Gonzalo Escobar in the final.