enabled him to enter the ATP doubles top-100 for the first time.He became the second Portuguese player to reach the top-100 of both ATP rankings, after Nuno Marques.
He won his first singles match over Maxim Dubarenco and the doubles match with Gastão Elias.
Sousa beat Frenchman Julien Benneteau in three sets in the final after saving one match point, becoming the first Portuguese player to win an ATP World Tour singles tournament.
He became the first Portuguese player to maintain top-100 status by playing exclusively on the ATP World Tour in a single season.
At the 2015 Australian Open, he started his campaign with wins over wild card Jordan Thompson and Martin Kližan.
In 2001, he won the national under-12 singles title, beating future Davis Cup partner Gastão Elias in the semifinals, and was runner-up in doubles.
– and Os Sandinenses until the age of 14, when he decided to give up on football and the goal of studying medicine to pursue a professional tennis career.He won the first singles match over Lukáš Lacko but lost the doubles with Elias and his second singles match to Martin Kližan, meaning Portugal's relegation from Europe/Africa Zone Group I to Group II in 2013.Sousa started the 2013 season with his maiden participations in ATP tour level hardcourt tournaments at the Chennai Open and the Sydney International.He beat in succession Paolo Lorenzi, Mate Pavić and Thiemo de Bakker, In September, Sousa was selected to join Portugal Davis Cup team against Russia for the Europe/Africa's Group I Relegation Playoff.He lost both his singles and doubles matches, confirming the relegation of Portugal to Group II in 2015.Sousa holds several Portuguese men's tennis records.