Medvedev dumped out of Halle Open by Zhang
Zhang Zhizhen dumped third seed Daniil Medvedev out of the Halle Open on Wednesday, but Alexander Zverev avoided an upset.
Daniil Medvedev crashed out of the Halle Open in the second round on Wednesday, succumbing to a 6-3 2-6 7-6 (7-5) defeat to Chinese number one Zhang Zhizhen.
Medvedev looked to be on course for the third round at 5-3 up in the decisive tie-break, but Zhang won four successive points to reach the last eight.
Zhang had earlier dropped six straight games from 2-2 in the second set, but he responded to losing an early break in the decider with one of his own to restore parity, then came on strong in the tie-break.
He will face Christopher Eubanks in the next round after the American eliminated defending champion Alexander Bublik with a 7-6 (7-5) 4-6 6-3 victory.
Meanwhile, second seed Alexander Zverev avoided an upset as he saw off a spirited performance from Lorenzo Sonego, winning 6-4 7-6 (7-5) to tee up a meeting with Arthur Fils.
Data Debrief: Zhang breaks new ground
Zhang's victory saw him become the first Chinese player to reach the Halle Open quarter-finals, also representing his second top-five victory after he beat Casper Ruud at last year's US Open.