Nadal is basically focusing on holding his own serve and then waiting for Souza to mess up so he can break. Not trying much on return or moving a lot. Kind of understandable - doesn't want to risk anything on this court.
__________________ “There’s so many athletes, tennis players around the world,” he continued, trying to put his life into some kind of perspective, “they want to be the best in what they do. They want to succeed. Many of them, they don’t succeed in the end. I’m fortunate to have this opportunity and succeed.”