Kirsch unsuccessfully challenged Forever Hooligans (Alex Koslov and Rocky Romero) for the IWGP Junior Heavyweight Tag Team Championship at a Sacramento Wrestling Federation (SWF) event in Gridley, California.

[9] On November 11 at Power Struggle, the Time Splitters defeated Forever Hooligans in a rematch to win the IWGP Junior Heavyweight Tag Team Championship.

[14] Two days later at Invasion Attack, Time Splitters defeated Devitt and Ryusuke Taguchi for their third successful defense of the IWGP Junior Heavyweight Tag Team Championship.

[15][16] On May 3 at Wrestling Dontaku 2013, Time Splitters lost the IWGP Junior Heavyweight Tag Team Championship back to the Forever Hooligans in their fourth defense.

[19][20] On September 29 at Destruction, Shelley and Kushida defeated Suzuki-gun (Taichi and Taka Michinoku) to earn another shot at the Forever Hooligans and the IWGP Junior Heavyweight Tag Team Championship.

[29] Time Splitters received another title shot on May 10 at Global Wars, a special event co-produced by NJPW and Ring of Honor (ROH) in Toronto, but were defeated by The Young Bucks in a three-way match, also involving Forever Hooligans.

[34] Two days later at Destruction in Okayama, Time Splitters made their second successful defense of the IWGP Junior Heavyweight Tag Team Championship against Suzuki-gun (El Desperado and Taichi).

[39] Time Splitters received a rematch for the IWGP Junior Heavyweight Tag Team Championship on January 4, 2015, at Wrestle Kingdom 9 in Tokyo Dome, in a four-way match also involving Forever Hooligans and The Young Bucks, but were again defeated by reDRagon.