The Croatians have won seven tour-level titles together this year, including three ATP Masters 1000s. Having reached 10 tour-level finals this season, they became the first team to qualify for the Nitto ATP Finals after their quarter-final victory on Tuesday.
Mektic and Pavic, who began their partnership this year, hit 16 aces and 26 winners to overcome the American-British tandem in three hours and 24 minutes.
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It is the second time the Spanish-Argentine duo has advanced to a Grand Slam final, having reached the championship match at the 2019 US Open (l. to Cabal/Farah). In a dominant display, they won 82 per cent (50/61) of their first-service points and did not face a break point in the match.
Granollers and Zeballos will be aiming to win their second tour-level title of the season on Saturday, having defeated their upcoming opponents to capture the Mutua Madrid Open trophy in May.
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