Obviously he has to call…

PokerStars Game #21450341302: Tournament #116111768, $11.00+$0.50 Hold’em No Limit – Match Round I, Level I (10/20) – 2008/10/24 7:44:34 ET
Table ‘116111768 1′ 2-max Seat #2 is the button
Seat 1: Teh Jinx (1520 in chips)
Seat 2: burner564 (1480 in chips)
burner564: posts small blind 10
Teh Jinx: posts big blind 20
*** HOLE CARDS ***
Dealt to Teh Jinx
burner564: calls 10
Teh Jinx: raises 40 to 60
burner564: calls 40
*** FLOP ***
Teh Jinx: checks
burner564: checks
*** TURN ***
Teh Jinx: checks
burner564: checks
*** RIVER ***
Teh Jinx: bets 1460 and is all-in
burner564: calls 1420 and is all-in
Uncalled bet (40) returned to Teh Jinx
*** SHOW DOWN ***
Teh Jinx: shows (a straight, Seven to Jack)
burner564: shows (a straight, Six to Ten)
Teh Jinx collected 2960 from pot
*** SUMMARY ***
Total pot 2960 | Rake 0
Board
Seat 1: Teh Jinx (big blind) showed and won (2960) with a straight, Seven to Jack
Seat 2: burner564 (button) (small blind) showed and lost with a straight, Six to Ten