The 1991 Salem Open was a men's tennis tournament played on outdoor hard courts on Hong Kong Island in Hong Kong that was part of the World Series of the 1991 ATP Tour. It was the 16th edition of the tournament and was held from 23 April through 29 April 1991. Unseeded Richard Krajicek won the singles title.[1]
Richard Krajicek defeated Wally Masur 6–2, 3–6, 6–3
Patrick Galbraith /
Todd Witsken defeated
Glenn Michibata /
Robert Van't Hof 6–2, 6–4