Question: Albert Costa and Iva Majoli, have which occupation in common?

Context paragraphs:
2002 Open Gaz de France – Doubles: Virginie Razzano and Iva Majoli were the defending champions but only Razzano competed that year with Émilie Loit.

1997 Faber Grand Prix: The 1997 Faber Grand Prix was a women's tennis tournament played on indoor carpet courts in Hannover in Germany that was part of Tier II of the 1997 WTA Tour.  It was the 5th edition of the tournament and was held from February 17 through February 23, 1997.  Iva Majoli won the singles title.

Albert Costa: Costa began playing tennis at the age of five.  He first came to the tennis world's attention as an outstanding junior player.  In 1993, he reached the French Open junior final and won the Orange Bowl.  He turned professional later that year and quickly established a reputation as a strong clay court player.  Spanish former player and commentator for Spanish television Andrés Gimeno used to call him "the man with two forehands", because he could hit with the same accuracy and strength both forehand and backhand.  In 1994, he won two challenger series events and was named the ATP's Newcomer of the Year.

Jelena Genčić: Jelena Genčić (Serbian Cyrillic: Јелена Генчић, ] ; 9 October 1936 – 1 June 2013) was a Serbian tennis and handball player and coach.  In the 1970s she became a junior tennis coach and was later credited for playing a major role in the early development of numerous top class professional players and future grand slam champions.  Among the players she discovered and coached are Monica Seles, Novak Djokovic, Goran Ivanišević, Mima Jaušovec, Iva Majoli, and Tatjana Ječmenica.

Iva Majoli: Iva Majoli Marić (Iva Majoli) (born 12 August 1977) is a former professional tennis player from Croatia.  She upset Martina Hingis to win the women's singles title at the French Open in 1997.  Majoli also won seven other singles titles and one doubles title during her career.  She reached a career-high singles ranking of world No. 4 in February 1996.

1996 Porsche Tennis Grand Prix – Singles: Iva Majoli was the defending champion but lost in the quarterfinals to Judith Wiesner.

1997 Faber Grand Prix – Singles: Iva Majoli was the defending champion and won in the final 4–6, 7–6, 6–4 against Jana Novotná.

1996 Barilla Indoors – Singles: Iva Majoli was the defending champion but lost in the semifinals to Jana Novotná.

1997 Rexona Cup: The 1997 Rexona Cup was a women's tennis tournament played on outdoor clay courts at the Am Rothenbaum in Hamburg in Germany that was part of Tier II of the 1997 WTA Tour.  The tournament was held from 28 April through 4 May 1997.  Iva Majoli won the singles title.

1997 Toray Pan Pacific Open – Singles: Iva Majoli was the defending champion but lost in the quarterfinals to Steffi Graf.

Supporting paragraphs: Albert Costa Iva Majoli
Answer: professional tennis player