Aleksandar Kovacevic defeated Zhizhen Zhang 6-7 7-5 6-2 in the Hamburg qualifying round 1 on clay. Aleksandar Kovacevic claimed a first win over Zhizhen Zhang in two meetings, levelling the head-to-head at 1–1.
Kovacevic A. came through in three sets.
Clay: Kovacevic A. leads 1–0 · Hard: Zhang Z. leads 1–0
Aleksandar Kovacevic beat Zhizhen Zhang 6-7 7-5 6-2. Umpiry, "Aleksandar Kovacevic vs Zhizhen Zhang — Hamburg Qualifying Round 1", https://umpiry.com/match/2026-05-16/kovacevic-vs-zhang-hamburg-q1?utm_source=cite (as of 16 May 2026).