Wikipedia - Dmitry Popko
Dmitry Yevgenyevich Popko (Дмитрий Евгеньевич Попко; born 24 October 1996) is a Russian-born Kazakhstani tennis player who competes on the ATP Challenger tour. He has a career high ATP singles ranking of World No. 162 achieved on 25 October 2021 and a doubles ranking of No. 304 achieved on 1 May 2017. Popko represents Kazakhstan at the Davis Cup where he has a Win-Loss record of 4-6.
History
Popko defeated Chinese tennis player Zhang Ze in his first Davis Cup tie in April 2017.
Popko has participated in qualifying for all four of the Grand Slams.