1989 Lipton International Players Championships – Men's singles

Mats Wilander was the defending champion but lost in the third round to Alberto Mancini.

Ivan Lendl won the final on a walkover against Thomas Muster. Muster had his left knee ligaments severed when he was hit by a drunk driver just hours after winning his semi final match.

Seeds
• # Ivan Lendl (champion)

• # 🇸🇪 Mats Wilander (third round)

• # 🇺🇸 Andre Agassi (first round)

• # 🇺🇸 Jimmy Connors (fourth round)

• # Jakob Hlasek (fourth round)

• # 🇺🇸 Tim Mayotte (first round)

• # 🇦🇹 Thomas Muster (final, withdrew)

• # Miloslav Mečíř (second round, withdrew)

• # 🇦🇷 Guillermo Pérez Roldán (second round)

• # 🇺🇸 Aaron Krickstein (quarterfinals)

• # 🇪🇸 Emilio Sánchez (quarterfinals)

• # 🇫🇷 Yannick Noah (semifinals)

• # 🇺🇸 Kevin Curren (semifinals)

• # 🇸🇪 Mikael Pernfors (fourth round)

• # 🇪🇨 Andrés Gómez (fourth round)

• # 🇦🇺 Darren Cahill (third round)

• # Ronald Agénor (first round)

• # Slobodan Živojinović (second round)

• # 🇸🇪 Anders Järryd (second round)

• # Andrei Chesnokov (second round)

• # 🇫🇷 Guy Forget (first round)

• # Alexander Volkov (third round)

• # 🇺🇸 Johan Kriek (first round)

• # 🇺🇸 Derrick Rostagno (first round)

• # 🇦🇺 Mark Woodforde (second round)

• # 🇺🇸 Paul Annacone (first round)

• # Christo van Rensburg (third round)

• # 🇺🇸 Jay Berger (first round)

• # 🇦🇹 Horst Skoff (third round)

• # 🇺🇸 Jim Courier (third round)

• # 🇦🇷 Alberto Mancini (fourth round)

• # 🇸🇪 Magnus Gustafsson (second round)