Kei Nishikori defeated Donald Young 6-4 7-6 in the Tokyo round of 16 on hard. The result followed the form book — Kei Nishikori came in leading the head-to-head 2–1, defending last year's quarter-final. Kei Nishikori extended the head-to-head to 3–1.
Nishikori K. took it in straight sets.
Nishikori K. and Young D. faced 4 of the same opponents in the last 12 months. Nishikori K. went 3–1 (75%) against them, Young D. 1–3 (25%). Nishikori K. came out better against 2 of 4 comparable opponents, Young D. against 0.
Only 4 common opponents — small sample, treat as indicative.
Kei Nishikori beat Donald Young 6-4 7-6(4). Umpiry, "Kei Nishikori vs Donald Young — Tokyo Round of 16", https://umpiry.com/match/2014-10-02/nishikori-vs-young-tokyo-r16?utm_source=cite (as of 2 October 2014).