Vintage 1989 US Open Jacket. Boris Becker famously defeated Ivan Lendl in the final, winning the men's singles tennis title at the 1989 US Open. It was his first US Open title and fourth major title overall. Becker saved a match point en route to the title, against Derrick Rostagno in the second round. This was Lendl's eighth consecutive singles final appearance at the US Open; he became the first man in the Open Era to finish runner-up five times at the same major.