great to hear how you responded on this issue. looking at his case, it is clear that he lost all his money because he betted it. but his experience is like a disappointing one though. with how things in casinos or bookies today are running, most of the deposits are instantly getting credited to their accounts.  it is like waiting in vain if you happen to use your site and you wanted to bet it right away. you will really get pissed if you happen to encounter such situation. so yeah, it is good that you will give back his last deposit plus something for good will. though it is the player's fault of losing it all but the experience is quite disappointing. i hope you can fix such issue on your site because gamblers would stay away from your site because of this reason.