Nicolas Todero defeated Mike Mather 0-6 6-1 6-2 in the Central America Masters 3 semi-final on clay. The upset overturned the form book — Mike Mather came in leading the head-to-head 1–0. Nicolas Todero claimed a first win over Mike Mather in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-26 | USA 1 Masters 3 | R64 | hard | Mike Mather | 6-2 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.