Jan Krejci defeated Mike Mather 6-3 6-3 in the USA 4 Masters 3 round of 64 on hard.
Krejci J. took it in straight sets.
Jan Krejci beat Mike Mather 6-3 6-3. Umpiry, "Jan Krejci vs Mike Mather — USA 4 Masters 3 Round of 64", https://umpiry.com/match/1998-10-16/krejci-vs-mather-usa-4-masters-3-r64?utm_source=cite (as of 16 October 1998).