John Marks (tennis)
…Loss 5–5 1978 Taipei, Taiwan Carpet (i) Mark Edmondson Sherwood Stewart Butch Walts 2–6, 7–6, 6–7 Loss 5–6 1979 Hamburg, Germany Clay Mark Edmondson Jan Kodeš Tomáš Šmíd 3–6, 1–6, 6–7 Win 6–6 1979 Gstaad, Switzerland Clay Mark Edmondson Ion Țiriac Guillermo Vilas 2–6, 6–1, 6–4 Loss 6–7 1979 Båstad, Sweden…