German Puentes defeated Oscar Serrano 7-6 7-5 in the Spain 2 Masters 1 semi-final on clay. The upset overturned the form book — Oscar Serrano came in leading the head-to-head 2–0. German Puentes claimed a first win over Oscar Serrano in three meetings, narrowing the head-to-head to 2–1.
Puentes G. took it in straight sets.
German Puentes beat Oscar Serrano 7-6 7-5. Umpiry, "German Puentes vs Oscar Serrano — Spain 2 Masters 1 Semi-final", https://umpiry.com/match/1998-01-30/puentes-vs-serrano-spain-2-masters-1-sf?utm_source=cite (as of 30 January 1998).