The bet you add after the Ante to stay in the hand.
In Three Card Poker, after seeing your three cards you choose Play or Fold. Play means placing an amount equal to the Ante on PLAY; you cannot choose the size. Example: with a 10 Ante, Play is 10; if the dealer qualifies and you win, it pays 1:1 (10), and if the dealer does not qualify, the 10 is returned. In Ultimate Texas Hold'em you make one Play only: 4x or 3x the Ante preflop, 2x on the flop, or 1x on the river (the later, the smaller).