Andrey Rublev defeated Vasek Pospisil 6-4 6-4 in the RUS vs CAN round robin on hard. The upset overturned the form book — Vasek Pospisil came in leading the head-to-head 1–0, but Andrey Rublev had been the form player, winning 6 of their last 10 on hard. Andrey Rublev claimed a first win over Vasek Pospisil in two meetings, levelling the head-to-head at 1–1.
Rublev A. took it in straight sets.
Rublev A. and Pospisil V. faced 4 of the same opponents in the last 12 months. Rublev A. went 1–4 (20%) against them, Pospisil V. 3–1 (75%). Pospisil V. came out better against 2 of 4 comparable opponents, Rublev A. against 0 — though 1 of those edges carries caveats (lower-tier event).
Only 4 common opponents — small sample, treat as indicative.
Andrey Rublev beat Vasek Pospisil 6-4 6-4. Umpiry, "Andrey Rublev vs Vasek Pospisil — RUS vs CAN Round Robin", https://umpiry.com/match/2019-11-23/pospisil-vs-rublev-rus-vs-can-rr?utm_source=cite (as of 23 November 2019).