1991 Newsweek Champions Cup – Singles

Jim Courier defeated Guy Forget in the final, 4–6, 6–3, 4–6, 6–3, 7–6(7–4) to win the men's singles tennis title at the 1991 Indian Wells Masters.

Stefan Edberg was the defending champion, but lost to Forget in the semifinals.

Seeds
The top eight seeds receive a bye into the second round. • # 🇸🇪 Stefan Edberg (semifinals)

• # 🇺🇸 Andre Agassi (third round)

• # 🇫🇷 Guy Forget (final)

• # 🇺🇸 Pete Sampras (withdrew)

• # Goran Ivanišević (second round)

• # 🇦🇹 Thomas Muster (second round)

• # 🇪🇸 Emilio Sánchez (quarterfinals)

• # 🇪🇨 Andrés Gómez (second round)

• # 🇺🇸 Michael Chang (quarterfinals)

• # Andrei Cherkasov (third round)

• # 🇩🇪 Michael Stich (semifinals)

• # 🇺🇸 John McEnroe (second round)

• # Alexander Volkov (second round)

• # Marc Rosset (second round)

• # 🇪🇸 Juan Aguilera (first round)

• # 🇺🇸 Jim Courier (champion)