Sébastien Lareau and Alex O'Brien defeated Mahesh Bhupathi and Leander Paes in the final, 6–3, 6–2, 6–2 to win the doubles tennis title at the 1999 ATP Tour World Championships.
Mark Philippoussis and Patrick Rafter were the defending champions but they competed with different partners that year, Philippoussis with Goran Ivanišević and Rafter with Jonas Björkman.
Sébastien Lareau and Alex O'Brien won in the final 6–3, 7–6(7–3) against Todd Woodbridge and Mark Woodforde.
Jacco Eltingh and Paul Haarhuis were the defending champions, but Eltingh did not compete this year. Haarhuis competed with American Jared Palmer as the seventh seed, but they were eliminated in the second round by Javier Sánchez and Jan Siemerink.
Todd Woodbridge and Mark Woodforde defeated Paul Haarhuis and Sandon Stolle in the final, 6–3, 6–4, 6–1, to win the gentlemen's doubles title at the 2000 Wimbledon Championships. It was their sixth Wimbledon title and eleventh and last major title overall, though Woodbridge would go on to win the title a further three times partnering Jonas Björkman.
Mahesh Bhupathi and Leander Paes were the defending champions but they competed with different partners that year, Bhupathi with Max Mirnyi and Paes with Michael Hill.
Mahesh Bhupathi and Leander Paes defeated the defending champion Paul Haarhuis and his partner Jared Palmer in the final, 6–7(10–12), 6–3, 6–4, 7–6(7–4), to win the gentlemen's doubles title at the 1999 Wimbledon Championships.
Jonas Björkman and Jacco Eltingh were the defending champions, but Eltingh did not compete this year.
Björkman teamed up with Patrick Rafter, and they won the title defeating the first-seeded Indian team of Mahesh Bhupathi and Leander Paes in the final, 6–3, 4–6, 6–4, 6–7(10–12), 6–4. This would be Rafter's only grand slam doubles title.
Mahesh Bhupathi and Leander Paes were the defending champions. Bhupathi partnered Andrew Florent this year, losing in the second round. Paes did not participate this year.
Jonas Björkman and Patrick Rafter were the defending champions, but lost in the second round this year.
Ellis Ferreira and Rick Leach were the defending champions, but lost in the third round this year.
Todd Woodbridge and Mark Woodforde were the three-time defending champions, but retired from their second round match this year.
Todd Woodbridge and Mark Woodforde were the defending champions, but Woodforde had retired from the tour. Woodbridge partnered with Jonas Björkman but lost in the third round to Bob and Mike Bryan.
Mahesh Bhupathi and Leander Paes were the defending champions, but did not participate together. Paes played with Tomáš Cibulec but they lost in the semifinals to Mark Knowles and Daniel Nestor. Bhupathi partnered with Max Mirnyi but they lost in semifinals to Paul Haarhuis and Yevgeny Kafelnikov.
Jonas Björkman and Jacco Eltingh defeated the defending champions Todd Woodbridge and Mark Woodforde in the final, 6–2, 5–7, 2–6, 6–4, 6–3 to win the men's doubles tennis title at the 1998 Australian Open.
Todd Woodbridge and Mark Woodforde defeated Paul Haarhuis and Sandon Stolle in the final, 7–6(9–7), 6–4 to win the men's doubles tennis title at the 2000 French Open. With the win, the Woodies completed the career Grand Slam and the career Super Slam.
Jacco Eltingh and Paul Haarhuis defeated the five-time defending champions Todd Woodbridge and Mark Woodforde in a rematch of the previous year's final, 2–6, 6–4, 7–6(7–3), 5–7, 10–8, to win the gentlemen's doubles title at the 1998 Wimbledon Championships.
The 1998 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in New York in the United States. It was the 118th edition of the US Open and was held from August 31 through September 13, 1998.
Todd Woodbridge and Mark Woodforde were the defending champion, but lost in the quarterfinals to Saša Hiršzon and Goran Ivanišević.
Patrick Galbraith and Paul Haarhuis were the defending champions, but Haarhuis did not compete this year. Galbraith teamed up with Ellis Ferreira and lost in second round to Trevor Kronemann and David Macpherson.
Alex O'Brien 
Sébastien Lareau 
Mahesh Bhupathi 
