Question: What sport does Virginia Ruano Pascual and Maria Bueno have in common?

Context articles: Virginia Ruano Pascual
2010 French Open – Women's Doubles
2007 China Open – Women's Doubles
2003 US Open – Women's Doubles
Maria Bueno
2002 French Open – Mixed Doubles
2005 Family Circle Cup – Doubles
1999 Westel 900 Budapest Open – Doubles
1999 ANZ Tasmanian International – Doubles
2001 Idea Prokom Open – Women's Doubles

Virginia Ruano Pascual (born 21 September 1973) is a Spanish former professional tennis player.
 She was born in Madrid, Spain.
Anabel Medina Garrigues and Virginia Ruano Pascual were the defending champions, but they decided not to compete together.
 Ruano Pascual partnered up with Meghann Shaughnessy, but they lost in the first round against Cara Black and Elena Vesnina.
 Medina Garrigues partnered up with Liezel Huber, but they lost in the semifinals to Serena Williams and Venus Williams.
Virginia Ruano Pascual and Paola Suárez were the defending champions, but Suarez retired from the sport on September 1, 2007, and only Ruano Pascual competed that year.
Virginia Ruano Pascual and Paola Suárez were the defending champions and won in the final 6–2, 6–3, against Svetlana Kuznetsova and Martina Navratilova in straight sets.
 This was Ruano Pascual's 4th career Grand Slam doubles title and her 2nd title at the US Open.
 It was also Suárez' 4th career Grand Slam doubles title and her 2nd title at the US Open.
Maria Esther Andion Bueno (born 11 October 1939) is a former professional tennis player from Brazil.
 During her 11-year career in the 1950s and 1960s (plus a two-year comeback in 1976–77), she won 19 Major titles (seven singles, 11 women's doubles, one mixed doubles).
 She was the year-end number-one ranked female player four times and was known for her graceful style of play.
Virginia Ruano Pascual and Tomás Carbonell were the defending champions, but had different outcomes.
 Ruano Pascual teamed up with Gastón Etlis and lost in second round to Cara and Wayne Black, while Carbonell did not compete this year due to retiring from professional tennis in 2001.
Virginia Ruano Pascual and Paola Suárez were the defending champions, but had different outcomes.
 While Suárez did not compete this year, Ruano Pascual teamed up with Conchita Martínez and successfully defended her title, by defeating Iveta Benešová and Květa Peschke 6–1, 6–4 in the final.
The 1999 Westel 900 Budapest Open – Doubles was the doubles event of the second edition of the Budapest Grand Prix; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Hungary.
 Virginia Ruano Pascual and Paola Suárez were the defending champions but only Ruano Pascual competed that year with Laura Montalvo.
The 1999 ANZ Tasmanian International – Doubles was the doubles event of the sixth edition of the ANZ Tasmanian International.
 Virginia Ruano Pascual and Paola Suárez were the defending champions but only Ruano Pascual competed that year with Florencia Labat.
 Labat and Ruano Pascual lost in the first round to Nannie de Villiers and Eva Melicharová.
Virginia Ruano Pascual and Paola Suárez were the defending champions, but none competed this year.
 Ruano Pascual decided to focus on the singles tournament, while Suárez decided to rest after competing in the World Group Play-offs of the Fed Cup.