Angelique Kerber defeated Tsvetana Pironkova 6-3 7-5 in the Nassau 100K qualifying round on hard.
Kerber A. took it in straight sets.
Kerber A. and Pironkova T. faced 3 of the same opponents in the last 12 months. Kerber A. went 2–1 (67%) against them, Pironkova T. 1–2 (33%). Results against comparable opponents are close (1 : 0 better-results split).
Only 3 common opponents — small sample, treat as indicative.