 Duckworth then played in the Tour 250 event in Nice where he defeated lucky losers Frances Tiafoe and Quentin Halys to reach his second ATP tour quarterfinal of 2015 and his career.He then lost to Borna Ćorić in straight sets.At Wimbledon, Duckworth came back from 2 sets to 0 down again Malek Jaziri to win in five sets, posting his first win at Wimbledon.