Preflop
Just fold. You rarely ever make money by cold calling preflop, and KTs is not the hand to do it with against an EP open.
Flop
When it check to you, take a stab with your draw. Gain the initiative, thin the field and find out, where you are.
Turn
As played check back again. You only have one card left to improve, and you look much weaker, than if you had bet the flop, so you have less fold equity.
River
You made the flush great! Of course you need to bet for value here, but when he check-jam, its time to stop and reevaluate the strength of your hand. You only beat a bluff, and in the micros people never raise the river as a bluff. So unfortunately you have to fold. Maybe a maniac can show up here with a worse flush, but you dont have that read, since its the first hand of the tournament.
Summary
Preflop, flop and turn was not played in the most optimal way in my opinion, but nothing you did was really bad or costing massive amounts of chips. The river however need to be a bet-fold. This is sort of the essence of traditional TAG play. Bet for value or as a semi-bluff, until you face resistance, and then give up, unless you can beat some of his value.
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