John M. P. Marks is a former professional tennis player from Australia.
John Marks (tennis)
1977 US Open – Men's singles
Guillermo Vilas defeated the defending champion Jimmy Connors in the final, 2–6, 6–3, 7–6(7–4), 6–0 to win the men's singles tennis title at the 1977 US Open. It was his first US Open title and second major title overall.
Guillermo Vilas being awarded with the trophy after defeating Jimmy Connors at the final