Texas Hold’em is the most popular variant of poker worldwide, especially in Vietnam’s professional poker tournaments. The rule of Texas Hold’em and tournament rules help to increase the chances of players playing successfully. First, Texas Hold’em rule states that every individual is dealt with two hole cards and must combine them with five community cards to form the best possible hand. While in tournaments, Texas Hold’em does not only involve playing the combination of the deck, rules on betting, betting increments, folding, folding forfeits, withdrawal from the pots, and rulings on the special situations are some of the provisions that govern the playing. Tournament games in Texas Hold’em have some exceptions including blind bets, different betting rounds, rulings of a fold and all-in. Players who have fully understood Texas Hold’em tournament rules are assured and are more likely to play in every situation. Otherwise, Texas Hold’em rules also includes provisions on time and player action, pattern round to round, and settlement of a dispute. An individual who has a better understanding is more likely to emerge as the winner of the tournament in Vietnam.