Question: Are Sloane Stephens and Martin Damm both retired tennis players?

Context paragraphs:
2002 CA-TennisTrophy – Doubles: Martin Damm and Radek Štěpánek were the defending champions but they competed with different partners that year, Damm with Cyril Suk and Štěpánek with Jiří Novák.

2005 Qatar Open – Doubles: Martin Damm and Cyril Suk were the defending champions.  Damm partnered with Jared Palmer, losing in the first round.  Suk partnered with Pavel Vízner, losing in the quarterfinals.

1999 du Maurier Open – Men's Doubles: Martin Damm and Jim Grabb were the defending champions, but competed this year with different partners.  Damm teamed up with Max Mirnyi and lost in second round to Ellis Ferreira and Rick Leach, while Grabb teamed up with Goran Ivanišević and lost in quarterfinals also against Ferreira-Leach.

Sloane Stephens career statistics: This is a list of the main career statistics of professional American tennis player Sloane Stephens.  She was the champion of 2017 US Open.

2007 Open 13 – Doubles: Martin Damm and Radek Štěpánek were the defending champions.  Damm did not participate this year.  Štěpánek partnered with Mahesh Bhupathi, but withdrew from the first round.

Martin Damm: Martin Damm (born 1 August 1972) is a former a professional tennis player from the Czech Republic.  He is best known as a doubles player (his highest ranking being No. 5 in the world in April 2007).  His highest singles ranking was No. 42 in August 1997.  Damm won a total of 40 titles in doubles, including one Grand Slam title.  He reached 5 singles finals.

Madison Keys: Madison Keys (born on February 17, 1995) is an American professional tennis player.  She has won three WTA Premier tournaments, and was the first American woman to debut in the top 10 since Serena Williams in 1999, seventeen years earlier.  When Keys faced Sloane Stephens in the 2017 US Open final, they become the first Americans other than the Williams sisters to contest a Grand Slam final since 2005.  As of September 2017, she is ranked world No. 12 in singles and the second-highest ranked American player overall behind Venus Williams.

Sloane Stephens: Sloane Stephens (born March 20, 1993) is an American tennis player.  She has won five WTA singles titles, including her first major at the 2017 US Open.  With the victory, she became the lowest ranked player (83rd) to ever win the women's singles title and the first American woman outside the Williams sisters to win a Slam since Jennifer Capriati in 2002.

2016 Volvo Car Open – Singles: Angelique Kerber was the defending champion, but retired in the semifinals against Sloane Stephens.

2006 Dubai Tennis Championships – Men's Doubles: Martin Damm and Radek Štěpánek were the defending champions.  Damm partnered with Leander Paes, losing in the semifinals.  Štěpánek partnered with Tomáš Berdych, losing in the quarterfinals.

Supporting paragraphs: Sloane Stephens Martin Damm
Answer: no