Stefan Hartel of Germany has beaten Puerto Rico's Enrique Collazo Pelaiz 18-10 to advance to the second round of the middleweight class.
The bout started at a busy pace, with Hartel landing some nice right-hand shots on his way to building up a two-point lead.
There was not much between the two fighters, who were both finding the target and racking up the points in the second stanza.
The German tested Pelaiz's chin in the final round with a decent two punch combination to cap an impressive victory.
