Daniil Medvedev defeated Andrey Rublev 6-4 7-5 in the St. Petersburg quarter-final on carpet. The result followed the form book — Daniil Medvedev came in ranked #5, leading the head-to-head 2–0, defending last year's quarter-final. Daniil Medvedev extended the head-to-head to 3–0.
Medvedev D. took it in straight sets.
Medvedev D. and Rublev A. faced 9 of the same opponents in the last 12 months. Medvedev D. went 7–3 (70%) against them, Rublev A. 6–3 (67%). Results against comparable opponents are close (3 : 2 better-results split).
Carpet: Medvedev D. leads 1–0 · Hard: Medvedev D. leads 2–0
Daniil Medvedev beat Andrey Rublev 6-4 7-5. Umpiry, "Daniil Medvedev vs Andrey Rublev — St. Petersburg Quarter-final", https://umpiry.com/match/2019-09-16/medvedev-vs-rublev-st-petersburg-qf?utm_source=cite (as of 16 September 2019).