Chris Tontz defeated Ivica Ancic 6-3 6-3 in the USA 6 Masters 4 round of 64 on hard.
Tontz C. took it in straight sets.
Chris Tontz beat Ivica Ancic 6-3 6-3. Umpiry, "Chris Tontz vs Ivica Ancic — USA 6 Masters 4 Round of 64", https://umpiry.com/match/1997-10-10/ancic-vs-tontz-usa-6-masters-4-r64?utm_source=cite (as of 10 October 1997).