Reigning champion Evonne Cawley did not defend her title, as she had recently given birth to her second child.
 Chris Evert-Lloyd defeated Hana Mandlíková 6–2, 6–2 in the final to win the Ladies' Singles tennis title at the 1981 Wimbledon Championships.
Hana Mandlíková was the defending champion, but she lost in the fourth round to Wendy Turnbull.
Hana Mandlíková and Wendy Turnbull were the defending champions but they competed with different partners that year, Mandlíková with Jana Novotná and Turnbull with Elizabeth Smylie.
Ken Flach and Robert Seguso were the defending champions, but Seguso did not participate this year.
 Flach partnered Paul Annacone, losing in the first round.
Robert Arthur Seguso (born May 1, 1963) is a former professional tennis player from the United States.
 A doubles specialist, he won four Grand Slam men's doubles titles (two Wimbledon, one French Open and one US Open).
 He also won the men's doubles Gold Medal at the 1988 Olympic Games in Seoul, partnering Ken Flach.
 Seguso reached the World No. 1 doubles ranking in 1985.
 He won a total of 29 career doubles titles between 1984 and 1991.
In the Doubles competition of the 1988 Virginia Slims of California tennis tournament, Hana Mandlíková and Wendy Turnbull were the defending champions but they competed with different partners: Mandlíková with Jana Novotná and Turnbull with Zina Garrison.
Hana Mandlíková (born 19 February 1962) is a former professional tennis player from Czechoslovakia who later obtained Australian citizenship.
 During her career, she won four Grand Slam singles titles: the 1980 Australian Open, 1981 French Open, 1985 US Open, and the 1987 Australian Open.
 She was also the runner-up at four Grand Slam singles events, including the Wimbledon finals of 1981 and 1986, and won one Grand Slam women's doubles title, the 1989 US Open with Martina Navratilova.
Hana Mandlíková was the defending champion but lost in the semifinals to Martina Navratilova.
Hana Mandlíková was the defending champion but did not compete that year.
Martina Navratilova defeated Hana Mandlíková 7–6, 6–3 in the final to win the Ladies' Singles tennis title at the 1986 Wimbledon Championships.

Question: Hana Mandlíková and Robert Seguso, have which occupation?
Answer: former professional tennis player