1991 CA-TennisTrophy – Singles

Anders Järryd was the defending champion of the singles event at the CA-TennisTrophy tennis tournament but lost in the quarterfinals to Michael Stich.

Stich won in the final 6–4, 6–4, 6–4 against Jan Siemerink.

Seeds

 * 1) 🇩🇪 Michael Stich (champion)
 * 2)  Jakob Hlasek (second round)
 * 3)  Petr Korda (semifinals)
 * 4)  Goran Prpić (first round)
 * 5)  Andrei Cherkasov (second round)
 * 6)  Alexander Volkov (second round)
 * 7) 🇦🇹 Horst Skoff (quarterfinals)
 * 8) 🇸🇪 Anders Järryd (quarterfinals)