1991 Holsten International – Singles

Petr Korda defeated Arnaud Boetsch 6–3, 6–4 in the final to secure the title.

Seeds
The text in italics indicates the round in which that seed was eliminated.


 * 1) 🇩🇪 Michael Stich (quarterfinals)
 * 2)  Karel Nováček (first round)
 * 3) 🇪🇸 Sergi Bruguera (second round)
 * 4)  Petr Korda (champion)
 * 5)  Alexander Volkov (quarterfinals)
 * 6) 🇸🇪 Jonas Svensson (second round)
 * 7) 🇸🇪 Anders Järryd (semifinals)
 * 8) 🇮🇹 Cristiano Caratti (first round)

Key

 * Q - Qualifier
 * WC - Wild card