Jeff Morrison defeated Jason Cook 7-6 4-6 7-5 in the USA 2 Masters 3 round of 32 on hard. The upset overturned the form book — Jason Cook came in leading the head-to-head 1–0, but Jeff Morrison had been the form player, winning 5 of their last 7 on hard. Jeff Morrison claimed a first win over Jason Cook in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-05 | USA F10 | R32 | hard | Jason Cook | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.