Wesley Koolhof & Nikola Mektic

Wesley Koolhof and Nikola Mektić are a Dutch-Croatian duo who started their partnership this season. Both players have previously held the No. 1 spot on the ATP doubles rankings—Wesley in 2022 and Nikola in 2021—making them former top-ranked doubles players in the world. They have won four titles together, including two Masters 1000 titles (Shanghai and Indian Wells), one ATP 500 title (Rotterdam), and one ATP 250 title in Auckland at the beginning of the season.