Round 1: Base Itachi vs Haku, Zabuza and Armless Orochimaru
Itachi may not use his Sharingan.
He gets full knowledge while his opponents have zero
Round 2: Sharingan Itachi vs Gaara, Kimimaro, Kabuto
He may not use oowers outside of his Kekkei Genkai
Same knowledge conditions
Round 3: Winners
3hrs after initial rounds
Research and hospital visits are allowed during preparation
Itachi may not use his Sharingan.
He gets full knowledge while his opponents have zero
Round 2: Sharingan Itachi vs Gaara, Kimimaro, Kabuto
He may not use oowers outside of his Kekkei Genkai
Same knowledge conditions
Round 3: Winners
3hrs after initial rounds
Research and hospital visits are allowed during preparation