Mike Mather defeated Nicolas Todero 6-2 4-6 6-3 in the USA 1 Masters 3 round of 64 on hard. The upset overturned the form book — Nicolas Todero came in leading the head-to-head 1–0. Mike Mather claimed a first win over Nicolas Todero in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-23 | Central America Masters 3 | SF | clay | Nicolas Todero | 0-6 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.