Daniil Medvedev defeated Jannik Sinner 6-2 6-4 in the Marseille quarter-final on hard. The upset overturned the form book — Jannik Sinner came in ranked #1, defending last year's round of 16. Daniil Medvedev extended the head-to-head to 2–0.
Medvedev D. took it in straight sets.
Medvedev D. and Sinner J. faced 3 of the same opponents in the last 12 months. Medvedev D. went 5–0 (100%) against them, Sinner J. 2–2 (50%). Medvedev D. came out better against 2 of 3 comparable opponents, Sinner J. against 0.
Only 3 common opponents — small sample, treat as indicative.
Daniil Medvedev beat Jannik Sinner 6-2 6-4. Umpiry, "Daniil Medvedev vs Jannik Sinner — Marseille Quarter-final", https://umpiry.com/match/2021-03-08/medvedev-vs-sinner-marseille-qf?utm_source=cite (as of 8 March 2021).