Matheson Klein defeated Chase Buchanan 4-6 6-4 6-2 in the USA F10 round of 32 on hard. The upset overturned the form book — Chase Buchanan came in leading the head-to-head 1–0, but Matheson Klein had been the form player, winning 2 of their last 4 on hard. Matheson Klein claimed a first win over Chase Buchanan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-08 | USA F9 | R16 | hard | Chase Buchanan | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.