Peter Gojowczyk and Dominik Koepfer were eliminated in the round of 16 at the tennis tournament in Atlanta.
Koepfer lost 1-6, 7-6 (7-5), 3-6 to James Duckworth of Australia at the hard court event. Gojowczyk lost 3-6, 6-7 (7-9) to Adrian Mannarino of France.
Wimbledon finalist Nick Kyrgios, Gojowczyk’s actual opponent in the last 16, withdrew shortly before the match due to injury. Kyrgios, who had won the tournament in 2016 and was competing with a wild card, said: “I’m very upset that I can’t compete. “