Andrey Rublev defeated Novak Djokovic 6-2 6-7 6-0 in the Belgrade final on hard. The upset overturned the form book — Novak Djokovic came in ranked #11, leading the head-to-head 1–0, defending last year's semi-final. Andrey Rublev claimed a first win over Novak Djokovic in two meetings, levelling the head-to-head at 1–1.
Rublev A. came through in three sets.
Rublev A. and Djokovic N. faced 11 of the same opponents in the last 12 months. Rublev A. went 6–8 (43%) against them, Djokovic N. 14–2 (88%). Djokovic N. came out clearly better against 7 of 10 comparable opponents, Rublev A. against 1 — though 2 of those edges carry caveats (lower-tier event).
Andrey Rublev beat Novak Djokovic 6-2 6-7(4) 6-0. Umpiry, "Andrey Rublev vs Novak Djokovic — Belgrade Final", https://umpiry.com/match/2022-04-24/djokovic-vs-rublev-belgrade-f?utm_source=cite (as of 24 April 2022).