Bernard Tomic defeated Stan Wawrinka 4-6 6-4 6-3 6-3 in the AUS vs SUI round robin on grass. The upset overturned the form book — Stan Wawrinka came in ranked #142.
Tomic B. came through in four sets.
Tomic B. and Wawrinka S. faced 6 of the same opponents in the last 12 months. Tomic B. went 2–4 (33%) against them, Wawrinka S. 3–3 (50%). Wawrinka S. came out better against 2 of 5 comparable opponents, Tomic B. against 0.
Bernard Tomic beat Stan Wawrinka 4-6 6-4 6-3 6-3. Umpiry, "Bernard Tomic vs Stan Wawrinka — AUS vs SUI Round Robin", https://umpiry.com/match/2011-09-16/tomic-vs-wawrinka-aus-vs-sui-rr?utm_source=cite (as of 16 September 2011).