Are professional tennis players Sun Tiantian and Martin Damm from the same country?
Martin Damm Martin Damm (born 1 August 1972) is a former a professional tennis player from the Czech Republic. He is best known as a doubles player (his highest ranking being No. 5 in the world in April 2007). His highest singles ranking was No. 42 in August 1997. Damm won a total of 40 titles in doubles, including one Grand Slam title. He reached 5 singles finals.
Yoo Jin-sun Yoo Jin-sun (born July 12, 1962 in Seocheon, Chungcheongnam-do) is a former tennis player from South Korea, who represented his native country as a qualifier at the 1988 Summer Olympics in Seoul. There he was defeated in the first round by the number twelve seed from Israel, Amos Mansdorf. The right-hander reached his highest singles ATP-ranking on June 13, 1988, when he became the number 194 of the world.