So Sakakibara just made the following official (opening a new thread since it's not a rumor anymore):
12/29 card:
A: Cro Cop vs Wand
B: TK vs Baruto
C: Aliakbari vs Carwin
D: Moldavski vs Bajor
12/31 card:
Semifinal 1: Winner A vs Winner B
Semifinal 2: Winner C vs Winner D
Final
No alternates or alternate fights announced.
No date set:
Kron Gracie vs Tatsuya Kawajiri
Charles Bennett vs Minoru Kimura
Erson/Asen Yamamoto vs Hideo Tokoro
Miyuu Yamamoto vs Andy Nguyen
Kanako Murata vs TBA
Kanna Asakura vs TBA
RENA vs TBA
More fights will be announced in a press conference next week.
Edit:
link to card:
http://www.rizinff.com/en/rizin-fig...-2016-2nd-round-final-round-scheduled-fighter
brackets: