The 1991 OTB International Open was a combined men's and women's tennis tournament played on outdoor hard courts that was part of the World Series of the 1991 ATP Tour. It was the fifth edition of the tournament and was held in Schenectady, New York in the United States from August 19 through August 26, 1991. Michael Stich and Brenda Schultz won the singles titles.[1]
See main article: 1991 OTB International Open – Men's singles. Michael Stich defeated Emilio Sánchez 6–2, 6–4
See main article: 1991 OTB International Open – Women's singles. Brenda Schultz defeated Alexia Dechaume 7–6(7–5), 6–2
See main article: 1991 OTB International Open – Men's doubles. Javier Sánchez / Todd Woodbridge defeated Andrés Gómez / Emilio Sánchez 3–6, 7–6, 7–6
See main article: 1991 OTB International Open – Women's doubles. Rachel McQuillan / Claudia Porwik defeated Nicole Arendt / Shannan McCarthy 6–2, 6–4