Marin Cilic defeated Donald Young 6-4 7-5 in the London quarter-final on carpet. The result followed the form book — Marin Cilic came in leading the head-to-head 2–0, defending last year's semi-final. Marin Cilic extended the head-to-head to 3–0.
Cilic M. took it in straight sets.
Cilic M. and Young D. faced 4 of the same opponents in the last 12 months. Cilic M. went 5–2 (71%) against them, Young D. 0–4 (0%). Cilic M. came out better against 3 of 3 comparable opponents, Young D. against 0 — though 2 of those edges carry caveats (retirement, lower-tier event).
Only 4 common opponents — small sample, treat as indicative.
Carpet: Cilic M. leads 1–0 · Hard: Cilic M. leads 2–0
Marin Cilic beat Donald Young 6-4 7-5. Umpiry, "Marin Cilic vs Donald Young — London Quarter-final", https://umpiry.com/match/2017-06-23/cilic-vs-young-london-qf?utm_source=cite (as of 23 June 2017).