This was one of four games that came in the post today, and as soon as I turned it on, I saw my brother was online playing it. After about ten minutes in the training sessions of career mode, I played a few games against him and barely won a few points, let alone any games or sets.
Even changing my player was no use. I did manage to unlock an achievement by playing him, however.
After that, I worked my way through some of the career mode, and unlocked another achievement by actually winning a few games.