The 1973 WCT International – Singles was an event of the 1975 WCT International men's tennis tournament that was played in Bologna in Italy from 6 February through 12 February 1975. Arthur Ashe was the defending champion. Second-seeded Björn Borg won the singles title, defeating first-seeded Arthur Ashe in the final, 7–6(7–4), 4–6, 7–6(7–4).[1]