Victoria Azarenka defeated Na Li 7-6 6-3 in the WTA Championships round robin on hard. The upset overturned the form book — Na Li came in ranked #304, defending last year's round-robin. Victoria Azarenka extended the head-to-head to 6–5.
Azarenka V. took it in straight sets.
Azarenka V. and Li N. faced 11 of the same opponents in the last 12 months. Azarenka V. went 20–2 (91%) against them, Li N. 11–6 (65%). Azarenka V. came out better against 5 of 11 comparable opponents, Li N. against 1.
Hard: level 4–4 · Clay: Azarenka V. leads 2–1