Alex Calatrava defeated Diego Hipperdinger 6-4 7-6 in the Spain 4 Masters 2 round of 32 on clay. The result followed the form book — Alex Calatrava came in leading the head-to-head 1–0. Alex Calatrava extended the head-to-head to 2–0.
Calatrava A. took it in straight sets.
Alex Calatrava beat Diego Hipperdinger 6-4 7-6. Umpiry, "Alex Calatrava vs Diego Hipperdinger — Spain 4 Masters 2 Round of 32", https://umpiry.com/match/1997-05-09/calatrava-vs-hipperdinger-spain-4-masters-2-r32?utm_source=cite (as of 9 May 1997).