Question: Pavel Složil and Larisa Neiland were both famous for what?

Context paragraphs:
1994 Lipton Championships – Women's Doubles: Larisa Neiland and Jana Novotná were the defending champions but competed with different partners that year, Neiland with Elizabeth Smylie and Novotná with Arantxa Sánchez Vicario.

1996 French Open – Mixed Doubles: Larisa Neiland and Todd Woodbridge were the defending champions, but competed this year with different partners.  Neiland teamed up with Mark Woodforde and were eliminated in semifinals, while Woodbridge partnered with Nicole Bradtke and were eliminated in quarterfinals.

1998 SEAT Open – Doubles: Larisa Neiland and Helena Suková were the defending champions but only Neiland competed that year with Elena Tatarkova.

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

1994 Asian Open – Doubles: Larisa Neiland and Jana Novotná were the defending champions but only Neiland competed that year with Rennae Stubbs.

Larisa Neiland: Larisa Savchenko-Neiland (née Savchenko; born 21 July 1966) is a former professional tennis player who represented the Soviet Union and Latvia.  A former world number one ranked doubles player, Neiland won two women's doubles Grand Slam titles and four mixed doubles Grand Slam titles.  She also won two singles titles and sixty-five doubles titles.

2000 estyle.com Classic – Doubles: Arantxa Sánchez Vicario and Larisa Neiland were the defending champions, but Neiland did not compete this year as she retired from professional tennis during this season.  Sánchez Vicario teamed up with Barbara Schett and lost in quarterfinals to Kimberly Po and Anne-Gaëlle Sidot.

1997 Australian Open – Mixed Doubles: Larisa Neiland and Mark Woodforde were the defending champions but only Neiland competed that year with John-Laffnie de Jager.

1997 Wimbledon Championships – Mixed Doubles: Helena Suková and Cyril Suk were the defending champions and won in the final 4–6, 6–3, 6–4 against Larisa Neiland and Andrei Olhovskiy.

2000 Sparkassen Cup – Doubles: Mary Pierce and Larisa Neiland were the defending champions, but none competed this year.  Neiland retired from professional tennis during this season.

Supporting paragraphs: Pavel Složil Larisa Neiland
Answer: tennis