GRANDSLAM 4: Grand Royal
- PromotionGRANDSLAM
- VenueDiffer Ariake
- LocationTokyo, Japan
- Number of bouts8
Main Card
K. Pereira da Silva
0-0-0
Amateur
Welterweight bout
Co-Main Event | 1 x 5
VS
Submission, Armbar | R1 · 4:36Ryohei Ishiura
0-0-0

Tadasuke Saito
0-0-0
Amateur
Welterweight bout
1 x 5
VS
KO/TKO, Referee Stoppage | R1 · 0:15Minoru Inoue
0-0-0

Masaki Kametani
0-0-0
Amateur
Featherweight bout
1 x 5
VS
Submission, Rear Naked Choke | R1 · 2:42Daichi Kawada
0-3-0

Kota Oyaizu
3-0-0
Amateur
Flyweight bout
1 x 5
VS
Submission, Rear Naked Choke | R1 · 3:33Kazuharu Tsuchida
0-0-0
