Two hands i played yesterday at a £100 mtt in Glasgow.
First hand i am biggest stack on the table and have been opening a lot of pots, not being played back a lot. Opponent in hand i have pushed off two hands previous without going to showdown.
Blinds are 200/400 opponent has 20/21k. He has generally over raised/bet with big hands pre and postflop. Only seen him go to showdown with QQ on one hand where he was gifted chips. he limps utg I have

on the button. Make it 1600 to play he flats.
Flop

he leads for 2.5k... I flat.
Turn

he leads for 6k... I

?
2nd hand I am on another table and have similar image. I am biggest stack on the table with around 65-70k, opponent had around 50k. Blinds are 600/1200 with a 100 ante.
Opponent has been playing tight preflop but generally overaised pre with strong holdings, and have seen him spew chips before post flop. I have not played any pots with him/ have no history.
he opens for 3500 before the cut off and i flat on the button with

. Both blinds fold
Flop comes

he bets 4.2k I flat...
Turn comes a

he ships his stack in... there are around 35-40 left at this point with me having a top 5 stack... structure is very top heavy.
Would like advice on these hands, will add any info if asked. Thanks