The first Chinese man in Halle last-eight was upset by Medvedev

Zhang Zhizhen on Wednesday became the first Chinese man to reach the quarter-finals of the Halle grass-court tournament with a three-set win over

Zhang Zhizhen recorded his third career victory over a top-10 opponent when he upset third-seeded Daniil Medvedev 6-3, 2-6, 7-6 (5) at the grass-court Halle Open.