[4] Sekimoto decided to pursue his childhood dream of becoming a professional wrestler after graduating from high school, joining Big Japan Pro Wrestling (BJW) on a recommendation from his baseball coach Shirou Mabuchi [ja].

Sekimoto would win his first match ever on March 27, 2000 when he teamed up with Daikokubo Benkei to defeat Guerrero del Futuro and Ryuji Ito.

[7] This combination of Sekimoto and Teioh would prove to be extremely successful, along with the BJW Tag Team Championship, the pair would go on to defeat Kintaro Kanemura and Ryuji Yamakawa for the FMW/WEW Hardcore Tag Team Championship and would hold it for over one hundred days before losing the titles to Jun Kasai and The Winger on March 21, 2002.

Cracks started to show in the relationship between Sekimoto and Teioh and on September 15, 2002 they lost the BJW Tag Team Championship to Benkei Daikokuboh & Abdullah Kobayashi.

[11] On March 2, Sekimoto and Sasaki lost the BJW tag Team Championship to Kengo Mashimo and Madoka at a Pro Wrestling Zero1 (Zero1) event.

[13] During a joint event between Big Japan and El Dorado Pro Wrestling, Sekimoto teamed up with Shuji Kondo and defeated KAGETORA and Takashi Sasaki to win the Thanksgiving Day Tag Tournament.

[7] In the Maximum Tag League 2009, Sekimoto and Masato Tanaka finished top of block B but would lose to Takashi Sasaki and Yuko Miyamoto in the semifinal.

On July 27, 2009, Sekimoto and Yuji Okabayashi defeated Isami Kodaka and Masashi Takeda to win his fifth BJW Tag Team Championship.

[7] A month later, Sekimoto won the Eight Man Tag Team Tournament with Shinya Ishikawa, Yoshihito Sasaki and Yuji Okabayashi.

[7] Sekimoto and Kazuki Hashimoto took part in a year long tag tournament called Dainichi-X 2011 but would not gain enough points to progress to the semifinal.

[21] In March 2012, Sekimoto participated in the Ikkitousen Strong Climb Tournament in block A and reached the final before losing to Yoshihito Sasaki.

[25] Two days later on October 7, Sekimoto made his debut IWA Mid-South, defeating Nate Webb at an event in New Albany, Indiana.

On March 6, 2009, Sekimoto took part in Westside Xtreme Wrestling's (wXw) 16 Carat Gold Tournament 2009 and reached the quarterfinal before being eliminated by Steve Douglas.

[41] In 2015 at the 15th Anniversary Tour Finale, Sekimoto unsuccessfully challenged Karsten Beck for the wXw Unified World Wrestling Championship.

[42] Sekimoto and Okabayashi debuted for All Japan Pro Wrestling (AJPW) on January 3, 2011, defeating Ryota Hama and Yasufumi Nakanoue.

[43] For the first few months, Sekimoto and Okabayashi would perform for All Japan sporadically and on March 21, they defeated Manabu Soya and Seiya Sanada for the All Asia Tag Team Championship.

[50] In 2006, Sekimoto appeared as himself alongside Ryuji Ito, Abdullah Kobayashi, Takashi Sasaki and Jaki Numazawa in Dirty Sanchez: The Movie.