Ben Shelton missed the chance put the United States into the the Davis Cup Final 8 on Saturday as he fell to a second straight singles loss against the Czech Republic.
The U.S. Open finalist lost 5-7, 6-4, 6-3 to Jakub Mensik in Prague to level the best-of-five series at 2-2, a day after he was beaten by Jiri Lehecka.
Lehecka faced Learner Tien later Saturday in the deciding singles.
American pair Christian Harrison and Austin Krajicek made it 2-1 after winning their doubles match over Adam Pavlasek and Patrik Riki 5-7, 6-3, 7-6 (8).
Austria made the Final 8 after Jurji Rodionov beat Belgium’s Zizou Bergs 7-6, 6-3 to build an insurmountable 3-1 advantage. Austria also won the doubles match on the outdoor clay in Vienna, a day after it split the opening single matches with Belgium.
Toby Samuel and Wimbledon semifinalist Arthur Fery won their singles matches to put Britain 2-0 up at home to Ecuador.
Zverev wins for Germany
Alexander Zverev gave Germany a 1-0 lead over Croatia by beating Matej Dodig 6-4, 7-6 (3), before Dino Prizmic leveled the series with a 6-4, 6-3 win against Daniel Altmaier.
It was Zverev's first match since winning the U.S. Open final last weekend against American Ben Shelton. That came after the 29-year-old Zverev won his first Grand Slam title at the French Open in June.
The second-ranked Zverev, who had 15 aces, dominated on the indoor hardcourt in Halle, Germany, with Dodig having no break-point chances.
Doubles and reverse singles are scheduled for Sunday in the best-of-five match series. The winning team advances to the Final 8 in Bologna, Italy, in November.
South Korea makes Davis Cup history for Asia
South Korea earlier became the first Asian nation to reach the Final 8 after clinching its match against India 3-1.
The South Koreans came from a set down in both singles matches on Friday to lead 2-0.
It lost the opening doubles Saturday but Soonwoo Kwan beat Sumit Nagal 6-1, 6-2 in the first reverse singles.
The Final 8 format was introduced in 2022.
___