Pedro Sousa has competed in the US Open in 2012, 2014, 2015, 2016, 2017, and 2019. He also competed in the French Open in 2012, Wimbledon in 2017, and the Australian Open in 2019. Pedro Sousa has defeated players including Alessandra Giannessi, Guilherme Clezar, Marco Cecchinato, Casper Ruud, Jan-Lennard Struff, Kimmer Coppejans, and Peda Krstin. As a double player Sousa has partnered with the likes of Gastao Elias, Tiago Godinho, Christian Lindell, Goncalo Falcao, Alejandro Gonzalez, Franko Skugor, and Frederico Gil.