2014 Tournament Winners
2015 Tournament Winners
2016 Tournament Winners
2017 Tournament Winners
2018 Tournament Winners
2019 Tournament Winners
DOUBLES OPEN
| Year | Location | Champions |
| 2020 | Linbrook Bowl | Michael Yoshida & Kevin Yoshida |
| 2019 | Winnetka Bowl | Jennifer Gonzales & Damond Taylor |
| 2018 | Winnetka Bowl | Rudy Castrellon & Kehau Fujikami |
| 2017 | Winnetka Bowl | Leeanne Jilek / Jamie Rovner |
| 2016 | Winnetka Bowl | Diana Yu / Daniel Khy |
| 2015 | PV Bowl | Kyle Mitsuuchi / Alex Quon |
| 2014 | Action | Jim Shimizu / Gerald Tanaka |
| 2013 | Bowl-O-Drome | Dave Sugimoto / Kent Maruyama |
| 2012 | AMF Beverly | Dave Sugimoto / Kent Maruyama |
| 2011 | Keystone | Lacy Nakagawa / Scott Critchfield |
| 2010 | BRC Covina | Lauren Ito / Romeo Natividad |
OPEN ROLL-OFF
| Year | Location | Champion |
| 2018 | Action Lanes | Tom Yoshida, Lily Ikegami Kevin Yoshida, Michael Yoshida |
| 2017 | Action Lanes | Pat Jilek, Leeanne Jilek, Jose Gutierrez, Clint Frazer |
| 2016 | Action Lanes | Paul Kaneta, Diana Yu, Daniel Khy, Allen Lau |
| 2015 | Winnetka Bowl | Dave Yamauchi, Kurt Arakaki, Dwayne Kumura, Leanna Harada |
| 2014 | Covina Bowl | Allan Goya, Arliss Kaku, Roy Okamoto, Roger Kosaka |
| 2013 | Mission Hills | Brian Quon, Lindsey Quon, David Koshi, Jay Culver |
| 2012 | Fountain | Jared Lawrence, Ryan Okamoto, Jaime Rovner, Ken Ito |
| 2011 | Canoga Park | Kraig Orosco, Alyson Orosco, Kris Orosco, James Kushner |
| 2010 | AMF El Dorado | Kraig Orosco, Alyson Orosco, Kris Orosco, James Kushner |
| 2009 | Action | Kraig Orosco, Alyson Orosco, Kris Orosco, James Kushner |
| 2008* | Linbrook | Jerry Gonzales, Steve Collins, Maggie Gonzales, Bruce VanAalst |
| 2007* | Canoga Park | Todd Niitsuma, Julia Takeuchi, Vickie Niitsuma, David Hayashida |
| 2006* | AMF Beverly | Walt Murakami, Steve Murakami, Lynne Tomita, Jayson Fisher |
*Invitational Roll-Off – SCNBA Donated 100% Prize Fund of $1,400 per year
TOURNAMENT OF CHAMPIONS
| Year | Location | Champion |
| 2023 | Cal Bowl | Action Lanes – Miles Tatsumi, Linda Ukita, Shelli Miyashita, Stan Takemoto |
| 2022 | Harley’s Valley Bowl | Gardena Bowl – Tommy Yonemine, Dan Matis, Cyndi Castile, Jim Shimizu |
| 2021 | CANCELLED | |
| 2020 | CANCELLED | |
| 2019 | Linbrook Bowl | Harley’s Valley Bowl – Stan Holloway, Margie Holloway, Marvin Haywood, Jose Gutierrez |
| 2018 | Linbrook Bowl | Linbrook Bowl – Hoagy Wong, Judy Endow, Brian Hara, Kim Lee |
| 2017 | AMF Beverly | Linbrook Bowl – Dale Kakimoto, Leslie Katsura, Robert Pitti, Glenn Wada |
| 2016 | AMF Beverly | AMF Beverly Bowl – Jordan Gonzales, Justin Dabuet, Stacee Kosaka, Daniel Ohara |
| 2015 | AMF Beverly | AMF Beverly Bowl – Glen Nakahara, York Lock, Art Nakahara, Scott Leach |
| 2014 | AMF Beverly | AMF Beverly Bowl – Glen Nakahara, York Lock, Art Nakahara, Scott Leach |
| 2013 | Action | AMF Beverly Lanes – Eric Sera, Miles Yokota, Brett Yokota, Jason Carillo |
| 2012 | BRC Covina | Action Lanes – Sue Okamoto, Ryan Manganas, Kurt Valmonte, Kevin Yamauchi |
| 2011 | Gardena | Covina Bowl – Mike Shimabukuro, Ryoko Shimabukuro, Eric Shimabukuro, Hernan Yamakawa |
| 2010 | Mission Hills | Gardena Bowl – Kehau Fujikami, Kerwin Fujikami, Jeremy Balmoja, Rudy Castrellon |
| 2009 | Pickwick | Mission Hills Bowl – Eric Hsu, Amanda Grooms, Rich Honda, Nancy Kato |
SINGLES TOURNAMENT
| Year | Location | Champions |
| 2023 | Winnetka | Tyler Minami Jamie Rovner |
| 2022 | Winnetka | Daniel Holland Barbara Hirota |
| 2021 | CANCELLED | |
| 2020 | CANCELLED | |
| 2019 | Linbrook | Warren Morita Miyuki Oyakawa |
| 2018 | Linbrook | Warren Morita Flora Nishimoto |
| 2017 | Linbrook | Kevin Valmonte (Men) Karen Wade (Women) Gary Munesato (Sr Men) Po Chen (Sr Women) |
| 2016 | Linbrook | Wes Lock (Men) Tamara Imoto (Women) Glenn Matsuda (Sr Men) Teri Erickson (Sr Women) |
| 2015 | Linbrook | Scott Critchfield (Men) Sue Okamoto (Women) John Nishida (Sr Men) Lorrie Nadal (Sr Women) |
| 2014 | Linbrook | Miles Yokota (Men) Kristi Arakaki (Women) Bob Matsuda (Sr Men) Sandra Bovey (Sr Women) |
| 2013 | Linbrook | Clint Frazer (Men) Susan Yonamine (Women) Glenn Matsuda (Sr Men) Po Chen (Sr Women) |
| 2012 | Linbrook | Wayne Hokama (Men) Sue Okamoto (Women) Glenn Matsuda (Sr Men) Rachel Sanders (Sr Women) |
| 2011 | Linbrook | Randy Tomita (Men) Jeri Ando (Women) Glenn Matsuda (Sr Men) Chris Hoshizaki (Sr Women) |
| 2010 | Linbrook | Yoshi Sakashita (Men) Leticia Rivera (Women) Richard Iseri (Sr Men) Sharon Matsuda (Sr Women) |
| 2009 | Linbrook | David Tomita (Men) Cecily Fong (Women) Ron Levy (Sr Men) Sandra Bovey (Sr Women) |
| 2008 | AMF Cerritos | Tony Quon (Men) Debbie Armstrong (Women) Kay Johnson (Sr Women) Shig Hirano (Sr Men) |
| 2007 | AMF Cerritos | David Hayashida (Men) Po Chen (Women) Hoagy Wong (Sr Men) Kay Johnson (Sr Women) |
| 2006 | AMF Cerritos | Charlie Ivey (Men) Po Chen (Women) Wally Nomura (Sr Men) Lily Ikegami (Sr Women) |
NIKKEI VEGAS CHAMPIONSHIPS
| Location | Event | Champions |
| 2023 Suncoast |
TEAM: Jerry Lam, Angela Lam, Allen Lau KAHUNA: Jerry Lam, Angela Lam, Allen Lau (tie) KAHUNA: Linnette Ling, Skye Vasconcellos, Kaleo Emmsley (tie) SINGLES: Sandy Hanada / Ken Yamasaki |
|
| 2022 Suncoast |
CANCELLED | |
| 2021 Suncoast |
CANCELLED | |
| 2020 Suncoast |
CANCELLED | |
| 2019 Suncoast |
TEAM: Eugene Day, Tely Ikehara, Henry Isefuku KAHUNA: Henry Isefuku, Tely Ikehara, Eugene Day SINGLES: Tely Ikehara / Gary Okumura |
|
| 2018 Suncoast |
TEAM: Kyle Fujimoto, Lisa Fujimoto, Collyn Koga KAHUNA: Stanley Lim, Rosana Kamiyama, Steven Nakauchi SINGLES: Tommy Yu / Leeanne Jilek |
|
| 2017 Suncoast |
TEAM: Tarika Onishi, Jamie Rovner, Kevin Valmonte KAHUNA: Craig Yamasaki, Stefanie Kawasaki, Kent Maruyama SINGLES: Eric Hsu / Sheila Fujimoto |
|
| 2016 Suncoast |
TEAM: Tommy Yu, Daniel Ohara, Mike Lee KAHUNA: Kevin Valmonte SINGLES: Wayne Hokama / Marilyn Yamasaki |
|
| 2015 Sam’s Town |
TEAM: Lisa Fujimoto, Kyle Fujimoto, Collyn Koga KAHUNA: Kyle Nakamura SINGLES: Keith Yamakawa / Karen Iwamiya |
|
| 2014 Sam’s Town |
TEAM: Craig Yamasaki, Kent Maruyama, Kevin Sakamoto KAHUNA: Daniel Ohara SINGLES: Kyle Fujimoto / Leeanne Jilek |
|
| 2013 Sam’s Town |
SINGLES: Miles Yokota / Jamie Rovner KAHUNA: Miles Yokota DOUBLES: Ryan Mangahas / Kurt Valmonte SR SINGLES NO-TAP: Glenn Matsuda / Michiko Kondo |
|
| 2012 Texas Station |
TEAM | Priscilla & Keith Yamakawa, Jamie Rovner, Scott Critchfield (A-Div) Art Haraga, Michiko Kondo, Curtis Oba, Yosh Tomita (B-Div) |
| DOUBLES | Jamie Rovner / Scott Critchfield (A-Div) Tom Yoshida / Michael Yoshida (B-Div) |
|
| SINGLES | Terence Chang (A-Div Men) Carin Fujitani (A-Div Women) Glenn Matsuda (B-Div Men) Mina Ikegami (B-Div Women) |
|
| ALL-EVENTS | Terence Chang (A-Div Men) Carin Fujitani (A-Div Women) Glenn Matsuda (B-Div Men) Michiko Kondo (B-Div Women) |
|
HOLIDAY TOURNAMENT
| Year | Location | Champions |
| 2019 | Keystone | Tommy Yonamine |
| 2018 | PV Bowl | Blake Yokoyama / John Louie |
| 2017 | AMF Beverly | Kyle Nakamura / Blake Yokoyama |
| 2016 | PV Bowl | Ryan Nakanishi / Larry Bottoms |
| 2015 | PV Bowl | Jairo Chiriboga / Roger Kosaka |
| 2014 | AMF Beverly | Lindsey Quon / Brian Kaku |
| 2013 | Canoga Park | Miles Yokota / Brett Yokota |
| 2012 | Canoga Park | Lil Tominaga / Glen Ishida |
HOLIDAY KNOCK-OUT CHAMPIONS
| Year | Location | Champions |
| 2019 | Keystone | Leeanne Jilek – $200 Rick Wozumi – $100 |
| 2018 | PV Bowl | Alan Yamanaka – $200 Henry Quattlebaum – $100 |
| 2017 | AMF Beverly | Jaime Rovner – $300 Blake Yokoyama – $150 |
| 2016 | PV Bowl | Jim Shimizu – $300 Bill Curtis – $100 Rob Yokomizo – $50 |
| 2015 | PV Bowl | Tricia Nakanishi $300 Ryan Nakanishi $100 Jairo Chiriboga $50 |
| 2014 | AMF Beverly | Scott Critchfield $300 Roger Fujii $100 John Louie $50 |