Career
He was drafted in the second round, 50th overall, by the Buffalo Sabres in the 1998 National Hockey League Entry Draft. Kristek played two seasons in the Western Hockey League with the Tri-City Americans before joining the Sabres" American Hockey League affiliate, the Rochester Americans, for the 2000-2001 season. In three seasons with Rochester, Kristek appeared in 125 games and scored 23 goals.
He also appeared in six National Hockey League games with Buffalo during the 2002-2003 season, recording no points.
Kristek returned to his native Czechoslovakian Republic in 2003, before later moving to play in Slovakia.