Andrew Gregory defeated Matthew Barton 6-0 6-0 in the Australia F9 round of 32 on clay. The upset overturned the form book — Matthew Barton came in leading the head-to-head 1–0. Andrew Gregory claimed a first win over Matthew Barton in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-05 | Australia F5 | R32 | hard | Matthew Barton | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.