His sister, Helena, was an even more successful professional player on the women's tour who teamed-up with Suk to win three Grand Slam mixed doubles titles in the 1990s.

[1] In 1985, Suk partnered with fellow Czech tennis player Petr Korda to win the boys' doubles title at the French Open.

[citation needed] Suk claimed his first Grand Slam mixed doubles title in 1991 at the French Open, partnering sister Helena.

In 1998, Suk teamed up with Sandon Stolle to win the US Open men's doubles title.

Suk was selected as captain of the Czech Republic's Davis Cup team for the 2003 season.