Kei Nishikori defeated Andrej Martin 6-2 6-2 in the Rio de Janeiro round of 16 on clay. The result followed the form book — Kei Nishikori came in leading the head-to-head 1–0. Kei Nishikori extended the head-to-head to 2–0.
Nishikori K. took it in straight sets.
Nishikori K. and Martin A. faced 1 of the same opponent in the last 12 months. Nishikori K. went 1–0 (100%) against them, Martin A. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Clay: Nishikori K. leads 1–0 · Hard: Nishikori K. leads 1–0