Isaac Frost defeated Michael Look 6-2 6-4 in the Australia F1 semi-final on grass. The upset overturned the form book — Michael Look came in leading the head-to-head 2–0. Isaac Frost claimed a first win over Michael Look in three meetings, narrowing the head-to-head to 2–1.
Frost I. took it in straight sets.
Grass: Frost I. leads 1–0 · Hard: Look M. leads 1–0 · Clay: Look M. leads 1–0
Isaac Frost beat Michael Look 6-2 6-4. Umpiry, "Isaac Frost vs Michael Look — Australia F1 Semi-final", https://umpiry.com/match/2011-02-21/frost-vs-look-australia-f1-sf?utm_source=cite (as of 21 February 2011).