Daniel Altmaier celebrates escaping disqualification in an unusual situation during his quarter-final match at the ATP 500 ...

Germany's Daniel Altmaier scored an early upset at the French Open on Monday with a 7-5, 3-6, 6-3, 6-1 victory against fourth-seeded Taylor Fritz in Paris. Altmaier saved four of five break points and ...

Daniel Altmaier was frustrated by losing his serve to Tommy Paul at a crucial time during their Hamburg Open quarterfinal in Germany.

Stefanos Tsitsipas confronted Daniel Altmaier and expressed his disapproval at his opponent’s underarm serving after a five-set defeat to the German in the US Open second round. Tsitsipas had a match ...