1971 Washington Star International
The event was the third edition of the tournament and was part of both the 1971 Grand Prix circuit and 1971 World Championship Tennis circuit . 
<triplet> 1971 Grand Prix circuit <subj> 1971 <obj> point in time <subj> 1971 <obj> point in time <triplet> 1971 World Championship Tennis circuit <subj> 1971 <obj> point in time <subj> 1971 <obj> point in time