Roger Federer defeated Igor Tchelychev 7-5 7-5 in the Switzerland 1 Masters 1 round of 32 on clay.
Federer R. took it in straight sets.
Roger Federer beat Igor Tchelychev 7-5 7-5. Umpiry, "Roger Federer vs Igor Tchelychev — Switzerland 1 Masters 1 Round of 32", https://umpiry.com/match/1997-08-23/federer-vs-tchelychev-switzerland-1-masters-1-r32?utm_source=cite (as of 23 August 1997).