He was 81/54 after 20 hands.
His play in this hand was really weird and suspicious.
Vbet on river ok and the call?
PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (9 handed)
by Hand Converter CG
MP3 (t1590)
CO (t1490)
Button (t1215)
SB (t1720)
Hero (t1440)
UTG (t1460)
UTG+1 (t2125)
MP1 (t1455)
MP2 (t1005)
Preflop: Hero is BB with 9

, 9

.
5 folds, CO calls t50,
2 folds, Hero checks.
Flop: (t125) 6

, A

, T
(2 players)
Hero checks, CO checks.
Turn: (t125) 8
(2 players)
Hero checks, CO checks.
River: (t125) 2
(2 players)
Hero bets t75,
CO raises to t200, Hero calls t125.
Final Pot: t525