Wikipedia - John Millman
John H. Millman OLY (born 14 June 1989) is an Australian former professional tennis player. He won one title on the ATP Tour, the 2020 Astana Open, reaching a career-high ATP singles ranking of world No. 33 in October 2018. His other career highlights included reaching the quarterfinals of the 2018 US Open (beating then-world No. 2 Roger Federer en route), reaching the finals of the 2019 Japan Open and 2018 Hungarian Open and winning twelve ATP Challenger Tour titles.
Millman represented Australia on numerous occasions, including in the Davis Cup and ATP Cup and at two Summer Olympics.
Millman retired from tennis after the 2024 Australian Open.