| Men's doubles | |
|---|---|
| 1998 Estoril Open | |
| Champions | |
| Runners-up | |
| Score | 6–1, 2–6, 6–1 |
Gustavo Kuerten and Fernando Meligeni were the defending champions. Kuerten did not participate this year. Meligeni partnered Filippo Messori, losing in the quarterfinals.
Donald Johnson and Francisco Montana won in the final 6–1, 2–6, 6–1, against David Roditi and Fernon Wibier.
Donald Johnson / Francisco Montana (champions)
Luis Lobo / 
Javier Sánchez (first round)
Neil Broad / 
Piet Norval (first round) David Adams / Daniel Orsanic (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | 6 | 7 | |||||||||||||||||||||||||
| 3 | 5 | 1 | 3 | 7 | 6 | ||||||||||||||||||||||
| 6 | 5 | 1 | 6 | 6 | 2 | ||||||||||||||||||||||
| 2 | 7 | 6 | 1 | 6 | 7 | ||||||||||||||||||||||
| 4 | 2 | 0 | 2 | 6 | |||||||||||||||||||||||
| 6 | 6 | 6 | 2 | 6 | |||||||||||||||||||||||
| Q | 2 | 6 | 2 | 2 | 6 | 7 | |||||||||||||||||||||
| 6 | 3 | 6 | 1 | 6 | 2 | 6 | |||||||||||||||||||||
| 7 | 1 | 6 | 1 | 6 | 1 | ||||||||||||||||||||||
| 5 | 6 | 2 | 7 | 6 | |||||||||||||||||||||||
| WC | 6 | 6 | WC | 6 | 4 | ||||||||||||||||||||||
| 3 | 2 | 2 | 3 | 6 | 7 | ||||||||||||||||||||||
| 4 | 4 | WC | 6 | 3 | 6 | ||||||||||||||||||||||
| WC | 6 | 6 | WC | 7 | 1 | 4 | |||||||||||||||||||||
| WC | 6 | 5 | 7 | WC | 5 | 6 | 6 | ||||||||||||||||||||
| 2 | 4 | 7 | 6 | ||||||||||||||||||||||||
Jan Vacek was the defending champion but did not compete that year.
Gustavo Kuerten won the title, defeating Mariano Puerta 7–6(7–3), 6–3 in the final.
Defending champion Michael Chang defeated Bohdan Ulihrach in the final, 4–6, 6–3, 6–4, 6–3 to win the men's singles tennis title at the 1997 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.
Roger Federer defeated Marat Safin in the final, 6–1, 6–3, 6–4 to win the singles tennis title at the 2002 Hamburg Masters. It was his first Masters title and the first of an eventual 28 Masters titles. With the win, Federer entered the top ten in rankings for the first time.
Byron Black and Donald Johnson were the defending champions but only Johnson competed that year with Gustavo Kuerten.
Gustavo Kuerten was the defending champion but did not compete that year.
Donald Johnson and Gustavo Kuerten were the defending champions but only Johnson competed that year with Jared Palmer.
Francisco Montana and Greg Van Emburgh were the defending champions but they competed with different partners that year, Montana with Donald Johnson and Van Emburgh with Shelby Cannon.
Tomás Carbonell and Francisco Roig were the defending champions, but did not participate this 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.
Donald Johnson and Francisco Montana were the defending champions, but lost in the semifinals this year.
Àlex Corretja was the defending champion, but did not participate.
Gustavo Kuerten was the defending champion, but retired against Magnus Norman in the second round due to fatigue.
Luis Lobo and Javier Sánchez were the defending champions, but lost in the second round to Tomás Carbonell and Francisco Roig.
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.
Ellis Ferreira and Jan Siemerink were the defending champions, but competed this year with different partners. Ferreira teamed up with Patrick Galbraith and lost in quarterfinals to tournament winners Donald Johnson and Francisco Montana, while Siemerink teamed up with Menno Oosting and lost in first round to Pablo Albano and Àlex Corretja.
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.
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.
