Question: What do Helena Suková and Pavel Složil have in common?

Context paragraphs:
1983 Fischer-Grand Prix – Doubles: Henri Leconte and Pavel Složil were the defending champions but only Složil competed that year with Tomáš Šmíd.

1997 European Indoors – Doubles: Martina Hingis and Helena Suková were the defending champions but they competed with different partners that year, Hingis with Arantxa Sánchez Vicario and Suková with Larisa Savchenko.

Pavel Složil: Pavel Složil (born 29 December 1955) is a former professional tennis player from Czechoslovakia.

1983 Donnay Indoor Championships – Doubles: Pavel Složil and Sherwood Stewart were the defending champions, but Složil did not participate this year.  Stewart partnered Ferdi Taygan, losing in the first round.

1991 Wimbledon Championships – Women's Doubles: Jana Novotná and Helena Suková were the defending champions, but entered the tournament with different partners.  Suková joined Arantxa Sánchez Vicario and were eliminated in the quarterfinals.  Novotná teamed up with Gigi Fernández and reached the finals, but lost to Larisa Neiland and Natasha Zvereva.

1997 Wimbledon Championships – Women's Doubles: Martina Hingis and Helena Suková were the defending champions, but had different outcomes.  Hingis teamed up with Arantxa Sánchez Vicario and lost in quarterfinals to Nicole Arendt and Manon Bollegraf, while Suková teamed up with Larisa Neiland and lost in semifinals against the same pair.

1991 French Open – Women's Doubles: Jana Novotná and Helena Suková were the defending champions.  Novotná and Suková entered the tournament with different partners, meeting in the semifinals were Novotná and Gigi Fernández eliminated Suková and Arantxa Sánchez Vicario.  Novotná then repeated as doubles champion with Fernández after defeating Larisa Neiland and Natasha Zvereva in the final.

1994 Toray Pan Pacific Open – Doubles: Martina Navratilova and Helena Suková were the defending champions but they competed with different partners that year, Navratilova with Manon Bollegraf and Suková with Larisa Neiland.

Helena Suková: Helena Suková (] ) (born 23 February 1965) is a former professional tennis player from the Czech Republic.  During her career, she won 14 Grand Slam doubles titles, 9 of them in women's doubles and 5 of them in mixed doubles.  She also was a four-time Grand Slam singles runner-up and won 10 singles titles and 69 doubles titles.

1994 Evert Cup – Doubles: Rennae Stubbs and Helena Suková were the defending champions but they competed with different partners that year, Stubbs with Mary Joe Fernández and Suková with Manon Bollegraf.

Supporting paragraphs: Helena Suková Pavel Složil
Answer: professional tennis player