Lester Cook defeated Philip Gubenco 6-4 7-5 in the Canada F1 round of 32 on hard. The upset overturned the form book — Philip Gubenco came in leading the head-to-head 1–0. Lester Cook claimed a first win over Philip Gubenco in two meetings, levelling the head-to-head at 1–1.
Cook L. took it in straight sets.
Lester Cook beat Philip Gubenco 6-4 7-5. Umpiry, "Lester Cook vs Philip Gubenco — Canada F1 Round of 32", https://umpiry.com/match/2006-03-06/cook-vs-gubenco-canada-f1-r32?utm_source=cite (as of 6 March 2006).