Question: Is Mary Pierce or Gustavo Kuerten the older tennis player?

Context:
Larri Passos
Larri Passos (born December 30, 1957) is a Brazilian tennis coach most recognized for being coach of the tennis player Gustavo Kuerten.
 Larri had started to play tennis in Novo Hamburgo, Rio Grande do Sul, Brazil.
 However, since he was teenager, he showed that he had more ability as a coach.
 In 1975 he was already responsible for the tennis school Sociedade Aliança de Novo Hamburgo.
Mary Pierce
Mary Pierce (born 15 January 1975) is a French retired tennis professional who played on the Women's Tennis Association (WTA) tour.
 Born in Canada, she is a citizen of Canada, and the United States.
 Pierce played for France in team competitions and in the Olympics.
Gustavo Kuerten career statistics
This is a list of the main career statistics of Brazilian tennis player, Gustavo Kuerten.
 Kuerten won a total of 28 ATP titles — 20 in singles and 8 in doubles.
 He won 3 Grand Slam titles, 5 ATP Masters Series tournaments and a Tennis Masters Cup.
Gustavo Kuerten
Gustavo Kuerten (] ; born 10 September 1976), nicknamed Guga, is a retired former World No. 1 tennis player from Brazil.
 He won the French Open singles title three times (1997, 2000, and 2001), and was the Tennis Masters Cup champion in 2000.
 Kuerten suffered many problems with injuries which led him to miss a number of tournaments between 2002 and 2005.
 After a few failed attempted comebacks, he retired from top-level tennis in May 2008.
 During his career he won 20 singles and 8 doubles titles.
2004 Heineken Open – Singles
Gustavo Kuerten was the defending champion of the singles event at the Heineken Open tennis tournament, held in Auckland, New Zealand, but lost in the semifinals to Dominik Hrbatý.
Lorenzo Manta
Lorenzo Manta (born 27 September 1974 in Winterthur) is a former tennis player from Switzerland, who turned professional in 1992.
 The right-hander reached his highest ATP singles ranking of World No. 103 in June 2000.
 His best achievement in the grand slam tournaments was reaching the fourth round at Wimbledon in 1999.
 There, he had a big upset win over the 1996 Wimbledon champion, Richard Krajicek, in the third round in five sets.
 Manta was then defeated by Brazil's Gustavo Kuerten in the fourth round.
 He was 4-0 in Davis Cup doubles matches with Roger Federer.
Avaí FC
Avaí Futebol Clube (] ) is a Brazilian football team from Florianópolis in Santa Catarina, founded on September 1, 1923.
 Their home stadium is Estádio Aderbal Ramos da Silva, also known as Ressacada, with a capacity of 17,800.
 They play in blue and white shirts, shorts and socks.
 Their best known supporter is tennis player Gustavo Kuerten.
2004 Brasil Open
The 2004 Brasil Open was a men's tennis tournament played on outdoor clay courts in Salvador, Bahia in Brazil and was part of the International Series of the 2004 ATP Tour.
 It was the fourth edition of the tournament and ran from February 23 through February 29, 2004.
 Gustavo Kuerten won the singles title.
Tiago Fernandes
Tiago Fernandes (born January 29, 1993) is a former Brazilian tennis player.
 He achieved the No. 1 ranking on the ITF Junior Circuit.
 Fernandes was coached by Larri Passos, the former coach of Brazilian former world #1 and three-time French Open winner Gustavo Kuerten.
2013 Wimbledon Championships – Men's Singles
Roger Federer was the defending champion but lost in the second round to World No. 116 Sergiy Stakhovsky in a huge upset.
 Stakhovsky was unable to build on his effort and lost in the next round in 4 sets to Jürgen Melzer.
 Federer's loss marked the first time since the 2004 French Open, when he lost to Gustavo Kuerten in the third round, that he had failed to reach at least the quarterfinals in a Grand Slam event.
 It was also Federer's earliest exit in this tournament since 2002, and the first time that Federer lost to a player ranked lower than 100 since his loss to then World No. 101 Richard Gasquet at the 2005 Monte Carlo Masters.

Answer: Mary Pierce