British fig 1 Cameron Norrie was knocked retired of the Madrid Open arsenic China's satellite fig 99 Zhang Zhizhen's history-making tally continued.
Zhang - the archetypal Chinese antheral to interruption into the apical 100 - had ne'er earlier recorded an ATP Masters 1000 triumph anterior to this year's tourney successful Madrid.
But the 26-year-old battled backmost from a acceptable down to stun Norrie, ranked 13th, with a 2-6 7-6 (7-2) 7-6 (7-2) win.
He is the archetypal Chinese antheral to scope circular 4 astatine a Masters 1000 event.
Meanwhile, it is simply a 5th decision successful 7 matches for Norrie, who mislaid successful the 2nd circular astatine the Barcelona Open past period pursuing first-round exits astatine some the Monte-Carlo Masters and Miami Open.
Zhang backed up his archetypal ATP 1000 triumph successful the opening circular successful Madrid with a notable triumph implicit Canadian Denis Shapovalov for his archetypal triumph against a top-30 ranked player.
He went 1 amended connected Monday, upsetting the likelihood to destruct Norrie aft recovering impressively from a one-sided archetypal set, which the Briton sealed by winning 5 successive games.
Norrie was punished for not managing to instrumentality 1 of his 5 interruption points successful the 2nd set, with Zhang dominating the tie-break and levelling the lucifer with a sixth consecutive point.
With neither subordinate capable to find a mode done successful the deciding set, Zhang erstwhile again held his nervus successful the tie-break to upgrade his biggest ever vocation triumph and widen his imagination tally to a 4th match.
Zhang, who received a lasting ovation for his efforts connected tribunal three, volition look American fig 1 Taylor Fritz for a spot successful the quarter-finals.
"I didn't adjacent deliberation I was going to beryllium present successful the 2nd week of Madrid," said Zhang. "Now I've made it. This is simply a large triumph due to the fact that it was an astonishing match."
Fritz progressed with a 6-1 7-6 (7-4) implicit Chile's Cristian Garin.
Elsewhere, Russian satellite fig 2 Daniil Medvedev and Greek satellite fig 5 Stefanos Tsitsipas some progressed successful 3 sets.
Medvedev had to travel from down to bushed compatriot Alexander Shevchenko 4-6 6-1 7-5, portion Tsitsipas overcame Argentine Sebastian Baez 7-5 3-6 6-3.
But American ninth effect Frances Tiafoe mislaid 6-1 7-6 (7-2) to Pedro Cachina, of Argentina.
In the women's draw, 2nd effect Aryna Sabalenka and satellite fig three Jessica Pegula are some done to the quarter-finals.
Belarusian Sabalenka eased past Mirra Andreeva 6-3 6-1 and American Pegula won 6-3 2-6 6-3 against c.