| Singles | |
|---|---|
| 1993 AT&T Challenge | |
| Champion |  Jacco Eltingh |
| Runner-up |  Bryan Shelton |
| Score | 7–6(7–1), 6–2 |
| Draw | 32 (3WC/4Q/1LL) |
| Seeds | 8 |
Andre Agassi was the defending champion, but did not compete this year.
Jacco Eltingh won the title by defeating Bryan Shelton 7–6(7–1), 6–2 in the final. [1]
| Semifinals | Final | ||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | P Sampras | 6 | 6 | ||||||||||||||||||||||||
| Q | V Spadea | 3 | 4 | 1 | P Sampras | 6 | 6 | ||||||||||||||||||||
 H Skoff | 7 | 6 | H Skoff | 1 | 2 | ||||||||||||||||||||||
| G Schaller | 5 | 1 | 1 | P Sampras | 77 | 6 | |||||||||||||||||||||
 S Doseděl | 2 | 5 |  R Fromberg | 63 | 4 | ||||||||||||||||||||||
| R Fromberg | 6 | 7 | R Fromberg | 6 | 6 | ||||||||||||||||||||||
| WC |  M Wilander | 6 | 6 | WC | M Wilander | 3 | 1 | ||||||||||||||||||||
| 7 |  L Herrera | 2 | 3 | 1 | P Sampras | 65 | 4 | ||||||||||||||||||||
| 3 | MV Washington | 77 | 6 | J Eltingh | 77 | 6 | |||||||||||||||||||||
| WC | J Connors | 65 | 2 | 3 | MV Washington | 6 | 3 | 4 | |||||||||||||||||||
 R Azar | 6 | 67 | 6 | R Azar | 3 | 6 | 6 | ||||||||||||||||||||
| D Rostagno | 3 | 79 | 2 | R Azar | 2 | 2 | |||||||||||||||||||||
| J Morgan | 5 | 66 | J Eltingh | 6 | 6 | ||||||||||||||||||||||
| J Eltingh | 7 | 78 | J Eltingh | 3 | 6 | 6 | |||||||||||||||||||||
 R Agénor | 77 | 7 | R Agénor | 6 | 3 | 4 | |||||||||||||||||||||
| 5 | T Martin | 64 | 5 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | R Reneberg | 66 | 65 | ||||||||||||||||||||||||
| Q | J Palmer | 78 | 77 | Q | J Palmer | 77 | 6 | ||||||||||||||||||||
| R Weiss | 7 | r |  J Yzaga | 64 | 2 | ||||||||||||||||||||||
| J Yzaga | 5 | Q | J Palmer | 77 | 6 | ||||||||||||||||||||||
 D Pérez | 2 | 5 |  A Berasategui | 64 | 2 | ||||||||||||||||||||||
| A Berasategui | 6 | 7 | A Berasategui | 6 | 6 | ||||||||||||||||||||||
| Q |  E Ferreira | 6 | 2 | 65 | 4 | B Gilbert | 4 | 3 | |||||||||||||||||||
| 4 | B Gilbert | 4 | 6 | 77 | Q | J Palmer | 3 | 7 | 1 | ||||||||||||||||||
| 8 | A Krickstein | 6 | 1 | 3 | B Shelton | 6 | 5 | 6 | |||||||||||||||||||
| J Tarango | 2 | 6 | 6 | J Tarango | 2 | 3 | |||||||||||||||||||||
| B Shelton | 6 | 6 | B Shelton | 6 | 6 | ||||||||||||||||||||||
| L Lavalle | 2 | 4 | B Shelton | 66 | 6 | 6 | |||||||||||||||||||||
| Q | J Arias | 3 | 3 | WC |  A Gómez | 78 | 4 | 3 | |||||||||||||||||||
| WC | A Gómez | 6 | 6 | WC | A Gómez | 77 | 4 | 6 | |||||||||||||||||||
 C Mezzadri | 6 | 6 | C Mezzadri | 64 | 6 | 3 | |||||||||||||||||||||
| LL |  A Sznajder | 3 | 2 | ||||||||||||||||||||||||
Jacco Eltingh and Paul Haarhuis defeated Mark Knowles and Daniel Nestor in the final, 6–4, 6–2, 7–5 to win the doubles tennis title at the 1998 ATP Tour World Championships.
Jacco Eltingh and Paul Haarhuis were the defending champions, but Eltingh retired from the sport on November 22, 1998, and only Haarhuis competed that year. Haarhuis partnered with Patrick Galbraith, but lost in the first round to Neil Broad and Peter Tramacchi.
Horacio de la Peña was the defending champion, but did not participate this year.
Grant Connell and Patrick Galbraith defeated Jacco Eltingh and Paul Haarhuis in the final, 7–6(8–6), 7–6(8–6), 3–6, 7–6(7–2) to win the doubles tennis title at the 1995 ATP Tour World Championships.
Sébastien Lareau and Alex O'Brien were the defending champions, but O'Brien did not participate this year. Lareau partnered Jeff Tarango, losing in the first round.
Jacco Eltingh and Paul Haarhuis were the defending champions, but lost in the final this year.
Jacco Eltingh and Paul Haarhuis were the defending champions, but lost in the first round this year.
Jacco Eltingh and Paul Haarhuis were the defending champions, but lost in second round to Jan Apell and Mike Bauer.
Nicklas Kulti and Magnus Larsson were the defending champions, but lost in second round to Lan Bale and John-Laffnie de Jager.
Paul Kilderry and Pavel Vízner were the defending champions, but Kilderry did not compete this year. Vízner teamed up with Martin Damm and lost in semifinals to tournament winners Jacco Eltingh and Paul Haarhuis.
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.
As the U.S. Pro Tennis Championships was an exhibition tournament during the early 1990s, no doubles tournaments were played at that time. The last edition was played in 1989, and was won by Andrés Gómez and Alberto Mancini. Both players retired from professional tennis in 1993 and 1994, respectively.
Richard Krajicek and Jan Siemerink were the defending champions, but none competed this year.
Paul Haarhuis and Jacco Eltingh were the defending champions, but lost in the quarterfinals to Diego Nargiso and Udo Riglewski.
Byron Black and Grant Connell were the defending champions, but Connell did not compete this year. Black teamed up with Brett Steven and lost in the quarterfinals to Jacco Eltingh and Paul Haarhuis.
Paul Haarhuis and Mark Koevermans were the defending champions, but competed this year with different partners. Haarhuis teamed up with Jacco Eltingh and lost in the semifinals to Henrik Holm and Anders Järryd, while Koevermans teamed up with Jan Apell and lost in the first round to Javier Sánchez and Daniel Vacek.
Jacco Eltingh and Paul Haarhuis were the defending champions, but Eltingh did not compete this year.
Jakob Hlasek and Marc Rosset were the defending champions, but lost in the first round to Luke Jensen and Murphy Jensen.
Paul Haarhuis and Mark Koevermans were the defending champions, but Koevermans did not compete this year.
This was the second tournament held in 1991 at the city of Guarujá. Olivier Delaître and Rodolphe Gilbert were the champions in February. None competed this month.
Jacco Eltingh fought off four break points in the first set to force a tie breaker and took command in the second set today to beat local favorite Bryan Shelton, 7-6 (7-1), 6-2, for the title in the AT&T Challenge.