The Mixed Doubles tournament at the 1989 French Open was held from 29 May until 11 June 1989 on the outdoor clay courts at the Stade Roland Garros in Paris, France.
 Manon Bollegraf and Tom Nijssen won the title, defeating Horacio de la Peña and Arantxa Sánchez Vicario in the final.
Jennifer Capriati Tennis (known as The Tennis Tournament: Grandslam in Europe) is a Sega Genesis video game developed by System Sacom and released in 1992.
 In 1994 it was released in the classic range by Sega as Grandslam (Classic).
 The game is named after Jennifer Capriati, one of the world's top-ranked female tennis players at the WTA Tour during the time of the game's release.
Broderick Dyke and Tom Nijssen were the defending champions, but Nijssen did not participate this year.
 Dyke partnered Kelly Evernden, losing in the first round.
Jaroslav Navrátil and Tom Nijssen were the defending champions but did not compete that year.
Jennifer Maria Capriati (born March 29, 1976) is an American former professional tennis player.
 A member of the International Tennis Hall of Fame, she won three singles championships in Grand Slam tournaments and a gold medal at the 1992 Summer Olympics in Barcelona, reached the World No. 1 ranking, and is considered one of the greatest tennis players of all time.
Manon Bollegraf and Tom Nijssen were the defending champions but only Nijssen competed that year with Helena Suková.
Tom Nijssen (born 1 October 1964 in Maastricht) is a former professional tennis player from the Netherlands.
Jakob Hlasek and John McEnroe were the defending champions, but lost in the quarterfinals.
<br>Omar Camporese and Diego Nargiso won the title, defeating Tom Nijssen and Udo Riglewski 6–4, 6–4, in the final.
Wally Masur and Tom Nijssen were the champions of the event when it last took place, in 1988.
 Neither of them participated in 1990.
<br>Emilio Sánchez and Slobodan Živojinović won the title, defeating Goran Ivanišević and Balázs Taróczy 7–5, 6–3, in the final.
Tom Nijssen and Cyril Suk were the defending champions, but lost in the semifinals this year.

Question: What sport did Tom Nijssen and Jennifer Capriati play?
Answer: tennis