Olga Zaitseva (born 12 March 1962) is a former competitor for the Soviet Union at the 1979, 1980, 1981 and 1983 editions of the Federation Cup.
 Despite posting doubles victories over top professionals such as Betty Stöve, Hana Mandlíková and Renáta Tomanová, Zaitseva did not compete at any point on the women's professional tennis circuit or at any of the Grand Slams and thus never attained a world ranking.
Renáta Tomanová (born 9 December 1954) is a former professional tennis player from Czechoslovakia.
Jaroslav Just (] ; 6 February 1883 – 5 August 1928) was a Czech tennis player.
 He competed for Bohemia at the 1912 Summer Olympics and for Czechoslovakia at the 1920 Summer Olympics.
 He was the president of the Czechoslovakian Tennis Association between 1919 and 1928.
Jakub Herm-Záhlava (born 12 May 1980) is a former professional tennis player from Germany.
 Born in Plzeň, Czechoslovakia, he is a cousin of Czech tennis player Sandra Záhlavová.
Paul Vojtischek (born Pavel Vojtíšek, 13 June 1963) is a Czechoslovak-born West German retired professional tennis player.
 Vojtisek, who got West German citizenship in his early 20s, is married to two-time Grand Slam finalist Renáta Tomanová.
Jan Koželuh (29 January 1904 – 4 June 1979) was a Czech tennis player of the 1920s, not to be confused with his older brother Karel Koželuh (1895–1950), a player of the same era.
 Although Karel was inducted into the International Tennis Hall of Fame in Newport, Rhode Island, in 2006, Jan is almost totally forgotten today outside his native Czechoslovakia.
Tomáš Cibulec (born 15 January 1978 in Havířov, Czechoslovakia, now Czech Republic) is a retired professional Czech tennis player who turned professional in 1996.
 Cibulec reached his highest singles ranking on 3 August 1998, becoming world number 646.
 His highest doubles ranking is world number 21, which he reached on 17 March 2003.
 A winner of three ATP doubles titles, Cibulec resides in Havířov, the city of his birth.
 Jindrich and Anna Cibulec are his parents.
 Before Cibulec became a professional, he became a tennis player at when he was seven.
 He liked Stefan Edberg and Czechoslovak Miloslav Mečíř as a child.
 He likes clay and feels his volley as his strength.
Lucie Šafářová (] ; born 4 February 1987) is a Czech professional tennis player from Brno.
 She is currently the WTA world No. 1 doubles player.
 Šafářová has won seven WTA tour singles titles, fifteen doubles titles and reached the quarterfinals of the 2007 Australian Open by upsetting defending champion Amélie Mauresmo in the fourth round.
 She reached her first Grand Slam semifinal at the 2014 Wimbledon Championships and her first Grand Slam final at the 2015 French Open.
 She also won the 2015 Australian Open, 2015 French Open, 2016 US Open, 2017 Australian Open and 2017 French Open women's doubles titles partnering with Bethanie Mattek-Sands.
Adam Pavlásek (born 8 October 1994) is a tennis player playing on the ATP Challenger Tour from the Czech Republic.
 He reached his career-high ATP singles ranking of World No. 72 in January 2017.
 At the start of 2015, Pavlásek replaced injured countryman Radek Štěpánek in the Hopman Cup, playing alongside Lucie Šafářová.
 He made a name for himself by defeating world number 20 Fabio Fognini of Italy, Pavlásek's first ever win over a top 20 player.
This list summarizes the main career statistics of Czech professional tennis player Lucie Šafářová.
 To date, Šafářová has won seven WTA singles titles and fifteen WTA doubles titles including five Grand Slam doubles titles with Bethanie Mattek-Sands at the 2015 Australian Open and French Open,; the 2016 US Open and 2017 Australian Open and French Open.
 Other highlights of Šafářová's career thus far include winning the 2015 Qatar Total Open, reaching the final of the 2015 French Open and making quarterfinal and semifinal appearances at the 2007 Australian Open and 2014 Wimbledon Championships, respectively.
 Šafářová achieved career high singles and doubles rankings of World No. 5 and World No. 2 on 14 September 2015 and 30 January 2017.

Question: Which Czech tennis player was born first, Lucie Šafářová or Renáta Tomanová?
Answer: Renáta Tomanová