Isaac Frost defeated Colin Ebelthite 6-2 6-2 in the Australia F1 round of 32 on grass. The upset overturned the form book — Colin Ebelthite came in leading the head-to-head 3–0. Isaac Frost claimed a first win over Colin Ebelthite in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-08 | Australia F11 | R32 | hard | Colin Ebelthite | 6-2 1-0 |
| 2008-03-17 | Australia F4 | R16 | hard | Colin Ebelthite | 6-7(8) 6-1 6-4 |
| 2007-10-08 | Australia F7 | R16 | clay | Colin Ebelthite | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.