Sandon Stolle and Cyril Suk were the defending champions, but Stolle competed with Wayne Black, while Suk competed with Donald Johnson this year. Suk and Johnson were defeated by Stolle and Black in the third round, while Stolle and Black were defeated by Andrei Olhovskiy and David Prinosil in the quarterfinals.
Martin Damm and Cyril Suk were the defending champions and won in the final 7–5, 7–6(7–4) against Donald Johnson and Leander Paes.
Brent Haygarth and Aleksandar Kitinov were the defending champions, but did not participate together this year. Haygarth partnered Wayne Ferreira, losing in the first round. Kitinov did not participate.
Andrea Gaudenzi and Diego Nargiso were the defending champions, but did not participate this year.
Gustavo Kuerten and Fernando Meligeni were the defending champions. Kuerten did not participate this year. Meligeni partnered Filippo Messori, losing in the quarterfinals.
Gustavo Kuerten and Fernando Meligeni were the defending champions, but Kuerten did not participate this year. Meligeni partnered Luis Lobo, losing in the quarterfinals.
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.
The 1998 Kroger St. Jude International was a men's tennis tournament played on indoor Hard courts in Memphis, United States, that was part of the International Series Gold of the 1998 ATP Tour. It was the 28th edition of the tournament and was held 16–22 February 1998.
The 1998 Mercedes Cup was a men's tennis tournament played on Clay in Stuttgart, Germany, that was part of the International Series Gold of the 1998 ATP Tour. It was the fiftieth edition of the tournament and was held 20 July – 26 July.
Paul Haarhuis and Yevgeny Kafelnikov were the defending champions, but Kafelnikov chose to not compete this year in order to focus on the singles tournament.
Olivier Delaître and Fabrice Santoro were the defending champions, but both players decided to rest after competing in the quarterfinals of the Davis Cup. However, Santoro competed in the singles tournament, losing in first round to Jiří Novák.
Mark Knowles and Daniel Nestor were the defending champions, but Knowles did not compete this year. Nestor teamed up with Cyril Suk and lost in quarterfinals to Olivier Delaître and Fabrice Santoro.
Donald Johnson and Cyril Suk were the defending champions, but competed this year with different partners. Johnson teamed up with Lucas Arnold Ker and lost in the first round to Nicolas Kiefer and Max Mirnyi, while Suk teamed up with Aleksandar Kitinov and also lost in first round to Roger Federer and Marc Rosset.
The 1999 Rado Swiss Open Gstaad was a men's tennis tournament played on outdoor clay courts at the Roy Emerson Arena in Gstaad, Switzerland and was part of the World Series of the 1999 ATP Tour. It was the 54th edition of the tournament and took place from 5 July until 11 July 1999. Eighth-seeded Albert Costa won the singles title.
Brent Haygarth and Christo van Rensburg were defending champions, but van Rensburg did not compete this year. Haygarth teamed up with Greg Van Emburgh and lost in the first round to Patrik Fredriksson and Tom Vanhoudt.
Libor Pimek and Byron Talbot were the defending champions, but lost in the second round to tournament winners Gustavo Kuerten and Fernando Meligeni.
Jakob Hlasek and Patrick McEnroe were the defending champions, but McEnroe did not compete this year. Hlasek teamed up with Marc Rosset and lost in the quarterfinals to Karel Nováček and David Rikl.
Tom Kempers and Daniel Orsanic were the defending champions, but Kempers did not compete this year. Orsanic teamed up with Tomás Carbonell and lost in the second round to Jürgen Melzer and Alexander Peya.
Chris Haggard and Peter Nyborg were the defending champions, but competed this year with different partners. Haggard teamed up with Tom Vanhoudt and lost in the semifinals to Pablo Albano and Cyril Suk, while Nyborg teamed up with Aleksandar Kitinov and also lost in the semifinals to Joshua Eagle and Andrew Florent.
The 1993 Skoda Czech Open was a men's tennis tournament played on Clay in Prague, Czech Republic that was part of the International Series of the 1993 ATP Tour. Karel Nováček and Vojtěch Flégl were the defending champions, but Nováček did not compete this year. Flégl teamed up with Cyril Suk and lost in the quarterfinals to Doug Eisenman and Donald Johnson.
Donald Johnson 
Cyril Suk 
Aleksandar Kitinov 
Eric Taino 
