Daniil Medvedev defeated Kei Nishikori 6-2 6-4 in the Tokyo final on hard. Daniil Medvedev claimed a first win over Kei Nishikori in two meetings, levelling the head-to-head at 1–1.
Medvedev D. took it in straight sets.
Medvedev D. and Nishikori K. faced 3 of the same opponents in the last 12 months. Medvedev D. went 1–3 (25%) against them, Nishikori K. 2–1 (67%). Results against comparable opponents are close (0 : 1 better-results split).
Only 3 common opponents — small sample, treat as indicative.
Hard: Medvedev D. leads 1–0 · Clay: Nishikori K. leads 1–0
Daniil Medvedev beat Kei Nishikori 6-2 6-4. Umpiry, "Daniil Medvedev vs Kei Nishikori — Tokyo Final", https://umpiry.com/match/2018-10-01/medvedev-vs-nishikori-tokyo-f?utm_source=cite (as of 1 October 2018).