Vahid Mirzadeh defeated Chase Buchanan 6-4 7-6 in the Canada F1 round of 32 on hard. The upset overturned the form book — Chase Buchanan came in leading the head-to-head 1–0, but Vahid Mirzadeh had been the form player, winning 5 of their last 8 on hard. Vahid Mirzadeh claimed a first win over Chase Buchanan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-22 | USA F29 | R32 | clay | Chase Buchanan | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.