1973 Commercial Union Assurance Masters
The 1973 Commercial Union Assurance Masters was a tennis tournament played on indoor carpet courts in Boston, Massachusetts in the United States. Mateflex is a soft plastic, interlocking tile court, with the slower ball speed of clay but the low maintenance of a hard surface. It was the 4th edition of the Masters Grand Prix and was held from December 4 through December 8, 1973.Final
Singles
defeated Tom Okker 6–3, 7–5, 4–6, 6–3
- It was Năstase's 24th title of the year and the 58th of his career.