Christoph Sieber defeated Hiroki Ishii 6-1 3-6 6-0 in the Caribbean 2 Masters 1 round of 32 on clay.
Sieber C. came through in three sets.
Christoph Sieber beat Hiroki Ishii 6-1 3-6 6-0. Umpiry, "Christoph Sieber vs Hiroki Ishii — Caribbean 2 Masters 1 Round of 32", https://umpiry.com/match/1992-06-01/ishii-vs-sieber-caribbean-2-masters-1-r32?utm_source=cite (as of 1 June 1992).