upsidedown
Tour Winner
But that isn't actually in the etiquette section from the R&A is it? While some may say to stand facing the player that is their opinion, it is not a breach of etiquette to stand behind a players back according to the R&A and it most certainly isn't universally accepted that you stand facing the player
No as I said it's not but there are clubs out there who do advocate not standing behind players.
For the vast majority of the time where do caddies stand for Professionals? About 15 to 20 degrees slightly behind and off to the right facing the player.