1999 Newsweek Champions Cup – Singles

Mark Philippoussis defeated Carlos Moyá in the final, 5–7, 6–4, 6–4, 4–6, 6–2 to win the men's singles tennis title at the 1999 Indian Wells Masters.

Marcelo Ríos was the defending champion, but lost in the third round to Todd Martin.

Seeds
The top eight seeds received a bye into the second round. • # 🇺🇸 Pete Sampras (second round)

• # 🇷🇺 Yevgeny Kafelnikov (second round)

• # 🇪🇸 Álex Corretja (second round)

• # 🇪🇸 Carlos Moyà (final)

• # 🇦🇺 Patrick Rafter (second round)

• # Marcelo Ríos (third round)

• # 🇬🇧 Tim Henman (quarterfinals)

• # Richard Krajicek (quarterfinals)

• # 🇺🇸 Andre Agassi (withdrew)

• # 🇬🇧 Greg Rusedski (third round)

• # 🇺🇸 Todd Martin (quarterfinals)

• # 🇸🇰 Karol Kučera (quarterfinals)

• # 🇸🇪 Thomas Enqvist (first round)

• # Goran Ivanišević (second round)

• # 🇪🇸 Álbert Costa (first round)

• # 🇸🇪 Thomas Johansson (second round)