| Singles | |
|---|---|
| 1998 BMW Open | |
| Champion |  |
| Runner-up |  |
| Final score | 6–7(4–7), 7–6(8–6), 6–3 |
| Draw | 32 |
| Seeds | 8 |
Mark Philippoussis was the defending champion, but lost in the second round this year.
Thomas Enqvist won the title, defeating Andre Agassi 6–7(4–7), 7–6(8–6), 6–3 in the final.
| Semifinals | Final | ||||||||||||
| 7 | | 6 | 6 | ||||||||||
| | 3 | 4 | |||||||||||
| 7 | | 64 | 78 | 6 | |||||||||
| 8 | | 77 | 66 | 3 | |||||||||
| | 4 | 4 | |||||||||||
| 8 | | 6 | 6 | ||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | | 4 | 0 | ||||||||||||||||||||||||
 | 6 | 6 | | 6 | 6 | ||||||||||||||||||||||
| Q |  | 6 | 613 | 5 | Q | | 1 | 0 | |||||||||||||||||||
| Q | | 4 | 715 | 7 | | 3 | 3 | ||||||||||||||||||||
| | 3 | 77 | 4 | 7 | | 6 | 6 | ||||||||||||||||||||
 | 6 | 62 | 6 | | 2 | 3 | |||||||||||||||||||||
| | 5 | 3 | 7 | | 6 | 6 | |||||||||||||||||||||
| 7 | | 7 | 6 | 7 | | 6 | 6 | ||||||||||||||||||||
| 3 | | 6 | 78 | | 3 | 4 | |||||||||||||||||||||
| WC |  | 4 | 66 | 3 | | 62 | 3 | ||||||||||||||||||||
| Q |  | 3 | 1 | | 77 | 6 | |||||||||||||||||||||
| | 6 | 6 | | 6 | 6 | ||||||||||||||||||||||
| | 4 | 6 | 6 | | 3 | 1 | |||||||||||||||||||||
 | 6 | 3 | 1 | | 6 | 77 | |||||||||||||||||||||
| | 5 | 4 | 5 | | 4 | 64 | |||||||||||||||||||||
| 5 | | 7 | 6 | ||||||||||||||||||||||||
| First Round | Second Round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| WC/6 | | 1 | 63 | ||||||||||||||||||||||||
| | 6 | 77 | | 6 | 6 | ||||||||||||||||||||||
| | 65 | 4 | LL |  | 4 | 2 | |||||||||||||||||||||
| LL | | 77 | 6 | | 7 | 5 | 77 | ||||||||||||||||||||
| | 7 | 2 | 6 | | 5 | 7 | 61 | ||||||||||||||||||||
| LL | | 5 | 6 | 3 | | 6 | 6 | ||||||||||||||||||||
| WC | | 4 | 6 | 1 | 4 | | 3 | 1 | |||||||||||||||||||
| 4 | | 6 | 4 | 6 | | 4 | 4 | ||||||||||||||||||||
| 8 | | 6 | 3 | 6 | 8 | | 6 | 6 | |||||||||||||||||||
| | 1 | 6 | 3 | 8 | | 6 | 6 | ||||||||||||||||||||
| | 4 | 62 | | 1 | 4 | ||||||||||||||||||||||
| | 6 | 77 | 8 | | 6 | 6 | |||||||||||||||||||||
| Q |  | 7 | 6 | 2 | | 2 | 2 | ||||||||||||||||||||
 | 5 | 1 | Q | | 4 | 0 | r | ||||||||||||||||||||
 | 6 | 4 | 0 | 2 | | 6 | 2 | ||||||||||||||||||||
| 2 | | 2 | 6 | 6 | |||||||||||||||||||||||
Andre Agassi won in the final, 1–6, 2–6, 6–4, 6–3, 6–4, against former world No. 4 Andriy Medvedev to capture the Men's Singles tennis title at the 1999 French Open. With this win, Agassi became the second man, after Rod Laver, to complete a career Grand Slam in the Open Era. He also achieved a career Super Slam, the only men's singles player to do so. Carlos Moyá was the defending champion, but lost in the fourth round to Agassi.
First-seeded Andre Agassi defeated defending champion Yevgeny Kafelnikov in the final, 3–6, 6–3, 6–2, 6–4 to win the Men's Singles tennis title at the 2000 Australian Open. This was the first time a man made four consecutive grand slam finals since Rod Laver in 1969. If not for Agassi's loss to Pete Sampras in the 1999 Wimbledon final, he would have won a non-calendar grand slam.
Marat Safin defeated Pete Sampras 6–4, 6–3, 6–3 in the final to win the Men's Singles tennis title at the 2000 US Open. Andre Agassi was the defending champion but lost in the second round to Arnaud Clément.
Andre Agassi was the defending champion but lost in the first round to Thomas Enqvist.
Andre Agassi was the two-time defending champion, but lost in the second round to Scott Draper.
Andre Agassi was the defending champion, but lost in the first round this year.
Thomas Muster was the defending champion, but did not participate this year.
Marcelo Ríos was the defending champion, but lost in the third round to Todd Martin.
Carlos Moyá was the defending champion but he lost in the quarter-finals to Jérôme Golmard.
Mark Philippoussis was the defending champion, but lost in the semifinals to Thomas Enqvist.
Pete Sampras was the defending champion, but lost in the third round this year.
Thomas Enqvist was the defending champion, but lost to Wayne Ferreira in the second round.
Andre Agassi was the defending champion but withdrew before the start of the tournament.
Marat Safin won the title, defeating Mark Philippoussis 3–6, 7–6(9–7), 6–4, 3–6, 7–6(10–8) in the final, and thus became the World Number One.
Àlex Corretja was the defending champion but lost in the third round to Patrick Rafter.
Pete Sampras was the defending champion but lost in the third round to wild card Andy Roddick.
Pete Sampras was the defending champion, but chose not to participate that year.
Thomas Enqvist was the defending champion, but lost in the semifinals to Andre Agassi.
Mark Philippoussis was the defending Tennis champion, but Thomas Enqvist defeated him 6–4, 6–1, in the final.
Todd Martin was the defending champion but lost in the final 6–4, 7–6(7–2) against Pete Sampras.
Nicolás Lapentti was the defending champion, but did not participate this year.