Christian Lopes competed at Cooperstown Dreams Park in 2005 with the Southern California Redwings (CA) during the National Tournament of Champions. Lopes and his team advanced to the weekly championship game, falling to the Boys of Baseball National Travel Team (AL), 5-4. Christian was a finalist in the Road Runner, placing 4th.

A year after playing at Cooperstown Dreams Park (2006), Christian was named the U-13 Player of the Year by National Youth Baseball. He went on to have successful scholastic career at Valencia High School (Santa Clarita, CA). A starter on for the varsity baseball team his freshman year (2008), Christian hit .408 with 10 home runs, earning MVP. As a sophomore (2009), he was named All-Santa Clarita Valley Player of the Year and Foothill League MVP with a .453 batting average, including 15 home runs and 33 RBI.

Prior to his junior high school season, Christian's family moved and he attended and played for Edison High School (Huntington Beach, CA). Christian, an infielder, played two seasons at Edison (2010 and 2011). He helped his team clinch Sunset League titles both years and was named co-MVP his senior year. In addition to varsity baseball, Christian competed in 2006 with 16U USA baseball squad and in 2008 with the 18U USA team. He committed to playing at University of Southern California (Los Angeles, CA); however, Christian was selected 229th overall in 2011 Major League Baseball Amateur draft by the Toronto Blue Jays.