IRON LEDGEROPPONENT CASE FILE
Bertolt Hoover fought Eren and Armin from chapter 4 to chapter 82. Chapter 4 (episode 5): no contest for Eren. Chapter 82 (episode 54): Eren beat Bertolt Hoover; no contest for Armin.
Eren goes for the Colossus Titan's nape at Trost, but the Titan vanishes before his blades land.
Files NC: the Titan disappears with nobody beaten, so the encounter breaks off without a result.
NO CONTESTTHIS FIGHTER’S RESULT
Armin hooks into the Colossus Titan and endures its superheated steam until severely burned, exhausting Bertolt's defenses so Eren can slice him out from behind.
Files NC because Armin withstands the steam blast to create an opening for Eren's finishing attack.
WINTHIS FIGHTER’S RESULT
While Armin holds on to the Colossus Titan through its steam, Eren leaves his own Titan behind as a decoy and reaches the nape with his gear. He cuts Bertolt out and takes off his arms and legs, leaving him helpless.
Files W because Eren's own cut takes Bertolt out of the Colossus Titan and leaves him helpless, and the clash files once, at CH. 82, where it resolves.