Christopher Mark defeated Kengo Usui 6-1 6-3 in the Caribbean 2 Masters 1 round of 32 on hard.
Mark C. took it in straight sets.
Christopher Mark beat Kengo Usui 6-1 6-3. Umpiry, "Christopher Mark vs Kengo Usui — Caribbean 2 Masters 1 Round of 32", https://umpiry.com/match/1994-04-30/mark-vs-usui-caribbean-2-masters-1-r32?utm_source=cite (as of 30 April 1994).