José Luis Clerc
…2) Clay Guillermo Vilas 1–6, 2–6, 2–6 Win 5–5 Mar 1980 San José de Costa Rica, Costa Rica Hard Jimmy Connors 4–6, 2–6, retired Loss 5–6 Jul 1980 Washington D.C., US Clay Brian Gottfried 5–7, 6–4, 4–6 Win 6–6 Jul 1980 South Orange, New Jersey, U.S. Clay John McEnroe 6–3, 6–2 Win 7–6 Aug 1980 Indianapolis, Indiana…