1990 Lipton International Players Championships
The men's field was headlined by World No . 1 , Australian Open champion , Milan , Toronto indoor , 1989 Key Biscayne winner Ivan Lendl , Brussels titlist , US Open and Wimbledon defending champion Boris Becker and Australian Open finalist , Indian Wells winner Stefan Edberg . 
<triplet> Boris Becker <subj> 1 <obj> ranking