Cox was rewarded with reaching a career high by receiving a wildcard to the main draw of Wimbledon. He lost in 4 sets to former top-25 player Jérémy Chardy 2–6, 6–7, 7–6, 3–6. After his defeat, Cox went to play on some more Challenger tours reaching the semi-finals in Binghamton before losing to Sergiy Stakhovsky. At Binghamton, Cox won his first ever title at Challenger level, teaming-up with fellow Brit Daniel Smethurst to win the Doubles, defeating Stakhovsky and Marius Copil in the final 6–7, 6–2, 10–6.