Wesley Koolhof is a Dutch professional tennis player who is a former world No. 1 in doubles.
Koolhof at the 2016 US Open
Neal Skupski is a British professional tennis player who is a former world No. 1 in doubles.
Skupski at the 2019 Wimbledon Championships
Skupski (pictured at the 2022 Monte-Carlo Masters) ended 2022 as joint-world No. 1 with new partner Wesley Koolhof