Dominik Koepfer

Dominik Koepfer (born 29 April 1994), also spelled Köpfer, is a German inactive professional tennis player. He achieved a career-high ATP singles ranking of world No. 49 on 4 March 2024, and a doubles ranking of No. 69 on 24 June 2024. He played college tennis at Tulane University.

Koepfer made his ATP main draw debut at the 2017 Winston-Salem Open as a lucky loser. He won his first ATP Challenger Tour title in doubles at the Columbus Challenger, partnering Denis Kudla.

Koepfer won his first match on the ATP Tour, again as a lucky loser at the 2018 Winston-Salem Open, defeating Tennys Sandgren.

After winning his maiden Challenger title in singles at the Ilkley Trophy, Koepfer earned a wild card into the Wimbledon Championships. There, he won his first Grand Slam main draw match by defeating Filip Krajinović in the first round before losing to Diego Schwartzman in straight sets.

As a qualifier at the US Open, Koepfer defeated 17th seed Nikoloz Basilashvili in the third round, before losing to eventual finalist Daniil Medvedev in four sets in the fourth round. As a result he reached the top 100 at world No. 86 on 9 September 2019.

Koepfer reached his first ATP Tour Masters 1000 quarterfinal at the Italian Open, defeating Gael Monfils en route for his first top-10 win before losing to eventual champion Novak Djokovic in three sets.

He reached the second round of the French Open for the first time, losing to Stan Wawrinka in four sets.

Koepfer started his season at the first edition of the Great Ocean Road Open. He lost in the first round to Australian Christopher O'Connell. At the Australian Open, he was defeated in the second round by third seed and last year finalist, Dominic Thiem.