Serena Williams defeated Kateryna Volodko 6-2 6-2 in the Indian Wells round of 16 on hard. The result followed the form book — Serena Williams came in leading the head-to-head 2–0, defending last year's semi-final. Serena Williams extended the head-to-head to 3–0.
Williams S. took it in straight sets.
Williams S. and Volodko K. faced 7 of the same opponents in the last 12 months. Williams S. went 9–0 (100%) against them, Volodko K. 5–2 (71%). Williams S. came out better against 2 of 6 comparable opponents, Volodko K. against 0.
Serena Williams beat Kateryna Volodko 6-2 6-2. Umpiry, "Serena Williams vs Kateryna Volodko — Indian Wells Round of 16", https://umpiry.com/match/2016-03-15/volodko-vs-williams-indian-wells-r16?utm_source=cite (as of 15 March 2016).