Miguel Tobon defeated Mario Rincon 7-5 2-6 7-6 in the Colombia Masters 4 semi-final on clay. The upset overturned the form book — Mario Rincon came in leading the head-to-head 4–1. Miguel Tobon narrowed the head-to-head to 4–2.
Tobon M. came through in three sets.
Miguel Tobon beat Mario Rincon 7-5 2-6 7-6. Umpiry, "Miguel Tobon vs Mario Rincon — Colombia Masters 4 Semi-final", https://umpiry.com/match/1997-07-12/rincon-vs-tobon-colombia-masters-4-sf?utm_source=cite (as of 12 July 1997).