Zhizhen Zhang defeated Roman Safiullin 6-1 in the Nottingham quarter-final on grass. The upset overturned the form book — Roman Safiullin came in ranked #79, leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Zhang Z. won the match.
Zhang Z. and Safiullin R. faced 1 of the same opponent in the last 12 months. Zhang Z. went 0–1 (0%) against them, Safiullin R. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Grass: Zhang Z. leads 1–0 · Hard: Safiullin R. leads 2–1
Zhizhen Zhang beat Roman Safiullin 6-1. Umpiry, "Zhizhen Zhang vs Roman Safiullin — Nottingham Quarter-final", https://umpiry.com/match/2026-06-18/safiullin-vs-zhang-nottingham-qf?utm_source=cite (as of 18 June 2026).