Zhizhen Zhang def. Daniel Altmaier 6-4, 6-4 — Hamburg Open 2023 Quarterfinal

Zhizhen Zhang defeated Daniel Altmaier 6-4, 6-4 in the Quarterfinal of the Hamburg Open 2023.

Head-to-head

Zhizhen Zhang and Daniel Altmaier have met 2 times, splitting the head-to-head 1–1.

• Italian Open 2026 R128 — Daniel Altmaier won 4-6, 7(7)-6(3), 6-4