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.
Jan Vacek won in the final 2–6, 7–6(7–2), 6–3 against Fernando Meligeni.
Gustavo Kuerten won in the final 6–1, 6–3 against José Acasuso.
Gustavo Kuerten won the title, defeating Mariano Puerta 7–6(7–3), 6–3 in the final.
Marcelo Ríos defeated Greg Rusedski in the final, 6–3, 6–7(15–17), 7–6(7–4), 6–4 to win the men's singles tennis title at the 1998 Indian Wells Masters.
Andre Agassi defeated Tommy Haas in the final, 6–3, 6–3, 6–0 to win the men's singles tennis title at the 2002 Italian Open.
Juan Ignacio Chela was the defending champion but did not compete that year.
Cyril Suk and Daniel Vacek were the defending champions but they competed with different partners that year, Suk with Hendrik Jan Davids and Vacek with Richey Reneberg.
Jiří Novák and David Rikl were the defending champions but did not compete that year.
Gustavo Kuerten and Fernando Meligeni were the defending champions, but Kuerten did not participate this year. Meligeni partnered Luis Lobo, losing in the quarterfinals.
Mark Knowles and Daniel Nestor were the defending champions, but lost in the second round this year.
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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 Abierto Mexicano Telcel was a men's tennis tournament played on Clay in Mexico City, Mexico that was part of the International Series of the 1998 ATP Tour. It was the sixth edition of the tournament and was held from 26 October – 1 November.
The 1997 Internazionali di Carisbo was a men's tennis tournament played on clay courts at the Cierrebi Club in Bologna in Italy and was part of the World Series of the 1997 ATP Tour. It was the 13th edition of the tournament and was held from 9 June through 15 June 1997. Second-seeded Félix Mantilla won the singles title.
Alberto Berasategui was the defending champion, but lost in quarterfinals to tournament runner-up Gustavo Kuerten.
Libor Pimek and Byron Talbot were the defending champions, but lost in the second round to tournament winners Gustavo Kuerten and Fernando Meligeni.
Gustavo Kuerten and Fernando Meligeni were the defending champions, but Meligeni did not compete this year. Kuerten teamed up with Jaime Oncins and lost in quarterfinals to tournament runners-up Aleksandar Kitinov and Eric Taino.
David Ekerot and Jeff Tarango were the defending champions, but competed this year with different partners. Ekerot teamed up with Peter Nyborg and lost to tournament winners Nicklas Kulti and Mikael Tillström, while Tarango teamed up with Jack Waite and lost in semifinals to tournament runners-up Magnus Gustafsson and Magnus Larsson.
Bret Garnett and Jared Palmer were the defending champions, but Palmer chose to rest in order to compete at Montreal the following week. Garnett teamed up with Mike Briggs and lost in the second round to Mark Keil and Christo van Rensburg.
Gustavo Kuerten 
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