⁍ France’s Ugo Humbert saved 10 of 12 break points to beat No. 2 seed Pablo Carreno Busta.

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⁍ No. 4 seed Grigor Dimitrov rallied to beat Spain’s Pablo Andujar-Alba.

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⁍ Top-seeded Alexander Zverev moved into the quarterfinals in Cologne, Germany.

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– No. 2 seed Pablo Carreno Busta was knocked out in the second round of the European Open in Antwerp, Belgium, on Wednesday. France’s Ugo Humbert saved 10 of 12 break points and beat the Spanish player 5-7, 6-3, 6-4. Grigor Dimitrov of Bulgaria, the fourth seed, rallied to beat Spain’s Pablo Andujar-Alba 4-6, 6-3, 6-4. No. 5 seed Milos Raonic of Canada struck 17 aces and won 40 of 44 first-service points in a 6-3, 7-6 (4) win against Slovenia’s Aljaz Bedene. No. 7 Taylor Fritz withstood 19 aces by fellow American Reilly Opelka in a 7-6 (5), 6-1 win. No. 8 Alex de Minaur of Australia defeated Spain’s Feliciano Lopez 6-4, 6-2. bett1HULKS Championship Top-seeded Alexander Zverev of Germany moved into the quarterfinals in Cologne, Germany, with a 6-0, 3-6, 6-3 win against Australia’s John Millman. Zverev offset 10 double faults by saving six of seven break points and will next face No. 8 seed Adrian Mannarino, a 6-3, 6-3 winner against Serbia’s Miomir Kecmanovic. Fifteen aces helped No. 5 seed Felix Auger-Aliassime pull out a hard-fought 4-6, 7-6 (2), 7-6 (4) victory against Egor Gerasimov of Belarus. No. 7 Jan-Lennard Struff of Germany breezed past Italy’s Marco Cecchinato 6-3, 6-1. Spain’s Alejandro Davidovich Fokina advanced with a 7-6 (3), 6-3 win over American Steve Johnson.