1) The referee saying "advantage server/receiver" instead of "advantage player 1/player 2",
2) The picture or rendering of the real trophies when you win a cup,
3) Breakpoint/setpoint/matchpoint (double, triple) appearing on screen
4) Your and yours' opponent name appearing in on-match screen,
5) All the suggestions stuck in one topic (yeah, i know i'm wrong... 8) ),
6) More errors