Matthew Breen defeated Fredrik Giers 6-2 7-5 in the USA 2 Masters 2 round of 16 on hard. The upset overturned the form book — Fredrik Giers came in leading the head-to-head 1–0. Matthew Breen claimed a first win over Fredrik Giers in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-09-10 | USA 2 Masters 4 | QF | hard | Fredrik Giers | 6-4 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.