Bjorn Jacob defeated Mike Mather 6-4 6-3 in the USA F6 round of 16 on hard.
Jacob B. took it in straight sets.
Bjorn Jacob beat Mike Mather 6-4 6-3. Umpiry, "Bjorn Jacob vs Mike Mather — USA F6 Round of 16", https://umpiry.com/match/1998-06-22/jacob-vs-mather-usa-f6-r16?utm_source=cite (as of 22 June 1998).