Lester Cook defeated Antonio Ruiz Rosales 1-6 6-3 6-3 in the Mexico F14 round of 16 on hard. The upset overturned the form book — Antonio Ruiz Rosales came in leading the head-to-head 1–0. Lester Cook claimed a first win over Antonio Ruiz Rosales in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-28 | Mexico F2 | R16 | hard | Antonio Ruiz Rosales | 6-3 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.