Alexander Zverev lost the top singles in the Davis Cup game against Switzerland.
The Olympic champion needed to provide up on Saturday in the Trier Marc-Andrea Hurler with 2: 6, 6: 7 (4: 7).
This decides on moving into the group stage of the team competition in the last individual.
Davis Cup debutant Daniel Altair and Stan Katrina face each other there.
At the start of the 2nd day, the double Tim Putz and Andreas Main Germany offered the lead 2-1.
The German duo won 6: 7 (3: 7), 6: 3, 6: 4 against the 2 Swiss Katrina and Dominic Striker.
After the first day it was 1-1.
issues especially with the 2nd serve
One day after his convincing performance versus experienced Katrina, Zeal resisted Hurler from the start.
The 25-year-old did not look as fresh as on Friday and likewise had big problems with his service.
Especially in the second serve, Zeal was missing the speed, which Hurler used again and once again on minor points.
After just half an hour, the very first set went 6-2 to the Swiss number one.
In the second set, Zeal increased a little.
The Olympic champion handled an early break, however he did not have consistency in his game.
He had to provide up his service two times and was currently prior to the defeat at 4: 5 and Hurler.
Then Zeal all of a sudden made eight points in a row, the decision was made in the tiebreak.
There, Zeal let the serve down, which Hurler used for a surprising victory and to compensate.