Question: Julie Halard-Decugis and Fabrice Santoro, have which mutual ocuppation?

Context paragraphs:
2015 French Open – Legends Under 45 Doubles: Mansour Bahrami and Fabrice Santoro were the defending champions, but Bahrami competed in the Legends Over 45 Doubles event.  Santoro played alongside Sébastien Grosjean, but they were eliminated in the round-robin stage.

2005 Dubai Tennis Championships – Men's Doubles: 2005 Dubai Tennis Championships.  Mahesh Bhupathi and Fabrice Santoro were the defending champions.  Bhupathi partnered with Todd Woodbridge, losing in the semifinals.  Santoro partnered with Jonas Björkman, finishing runner-up.

Julie Halard-Decugis: Julie Halard-Decugis (born 10 September 1970) is a French former professional tennis player.

Fabrice Santoro: Fabrice Vetea Santoro (born 9 December 1972) is a retired French professional male tennis player from Tahiti.  Though not counted among the top-ranked players, he had an unusually long professional career, with many of his accomplishments coming toward the end of his career, and he is popular among spectators and other players alike for his winning demeanor and shot-making abilities.

2014 French Open – Legends Under 45 Doubles: Cédric Pioline and Fabrice Santoro were the defending champions, but Pioline instead competed in the Legends Over 45 Doubles event.  Santoro played alongside Sébastien Grosjean in the round robin.

2006 Grand Prix de Tennis de Lyon – Doubles: Michaël Llodra and Fabrice Santoro were the defending champions, but Santoro did not participate this year.  Llodra partnered Thierry Ascione, losing in the first round.

2003 BNP Paribas Masters – Doubles: Nicolas Escudé and Fabrice Santoro were the defending champions but only Santoro competed that year with Michaël Llodra.

2007 Kremlin Cup – Men's Doubles: Fabrice Santoro and Nenad Zimonjić were the defending champions, but Santoro chose not to participate, and only Zimonjic competed that year.

2013 French Open – Legends Under 45 Doubles: Albert Costa and Carlos Moyá were the defending champions, but retired in the deciding tiebreak in the final against Cédric Pioline and Fabrice Santoro.

2006 Internazionali BNL d'Italia – Men's Doubles: Michaël Llodra and Fabrice Santoro were the defending champions, but had different outcomes.  While Llodra did not compete this year, Santoro partnered with Nenad Zimonjić and reached the Quarterfinals, before losing to Jonas Björkman and Max Mirnyi.

Supporting paragraphs: Julie Halard-Decugis Fabrice Santoro
Answer: professional tennis player