Question: Are both Lindsay Davenport and Wayne Black nationals of the same country ?

Context articles: 2000 Toray Pan Pacific Open – Doubles
Wayne Black
1997 Acura Classic – Doubles
Lindsay Park (Davenport, Iowa)
1997 WTA Tour Championships – Doubles
2014 French Open – Women's Legends Doubles
Lindsay Davenport
1998 US Open – Women's Doubles
1999 Porsche Tennis Grand Prix – Doubles
1997 Sydney International – Women's Doubles

Lindsay Davenport and Natasha Zvereva were the defending champions, but Davenport did not compete this year.
 Zvereva teamed up with Katarina Srebotnik and lost in quarterfinals to Lisa Raymond and Rennae Stubbs.
Wayne Hamilton Black (born 17 November 1973 in Harare, is a former professional male tennis player from Zimbabwe.
Lindsay Davenport and Natasha Zvereva were the defending champions but they competed with different partners that year, Davenport with Chanda Rubin and Zvereva with Gigi Fernández.
Lindsay Park is a 31 acre park.
 located in the Village of East Davenport in Davenport, Iowa, United States.
 The lower park is a contributing property of the Davenport Village Historic District that has been listed on the National Register of Historic Places since 1980, and the upper park is part of the McClellan Heights Historic District which was listed on the national register in 1984.
 The whole park was individually listed on the Davenport Register of Historic Properties in 1998.
 Lindsay Park is owned by the city of Davenport and features a playground, baseball diamonds and views of the Mississippi River, which is immediately to the south of the park.
 There is a group of architectural sculptures along the Riverfront Parkway, of which Lindsay Park is a part.
 The park also hosts the annual Riverssance Festival of Fine Art.
Lindsay Davenport and Mary Joe Fernández were the defending champions but only Davenport competed that year with Jana Novotná.
Lindsay Davenport and Martina Hingis were the defending champions, but Hingis instead competed in the Women's Doubles event.
 Davenport played alongside Mary Joe Fernández and was eliminated in the round robin.
Lindsay Ann Davenport Leach (born June 8, 1976) is an American former professional tennis player.
 She was ranked World No. 1 on eight different occasions, for a total of 98 weeks.
 Davenport is one of five women who have been the year-end World No. 1 at least four times (1998, 2001, 2004, and 2005) since 1975; the others are Chris Evert, Steffi Graf, Martina Navratilova and Serena Williams.
 She has achieved the No. 1 ranking in doubles as well.
Lindsay Davenport and Jana Novotná were the defending champions, but they did not play together this year.
 Davenport played with Natasha Zvereva as the second seed, and Novotná played with Martina Hingis as the first seed.
The 1999 Porsche Tennis Grand Prix – Doubles was the tennis doubles event at the 1999 Porsche Tennis Grand Prix, the twenty-second edition of the most prestigious tournament in Baden-Württemberg.
 Lindsay Davenport and Natasha Zvereva were the defending champions, but they did not compete this year.
 Davenport competed with Martina Hingis as the first seed, while Zvereva competed with Elena Tatarkova.
 Davenport and Hingis withdrew in the quarterfinals due to Davenport having a wrist injury, whilst Tatarkova and Zvereva were knocked out in the first round.
Lindsay Davenport and Mary Joe Fernandez were the defending champions but they competed with different partners that year, Davenport with Natasha Zvereva and Fernandez with Katrina Adams.