| Naoyuki Oi defeated Fong-Pang Chao |
2007 World Championships 9-Ball |
| Naoyuki Oi defeated Greg Jenkins |
2007 World Championships 9-Ball |
| Naoyuki Oi defeated Antonio Fazanes |
2007 World Cup of Pool - Japan vs Spain 9-Ball |
| Naoyuki Oi defeated Nick van den Berg |
2007 World Cup of Pool - Japan vs Holland 9-Ball |
| Naoyuki Oi defeated Keng-Kwang Chan |
2007 World Cup of Pool - Japan vs Singapore 9-Ball |
| Naoyuki Oi defeated Tim Colvin |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Allen Hopkins |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Chris Melling |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Phil Burford |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Mark Gray |
2011 U.S.Open 9-Ball |
| Dennis Hatch defeated Naoyuki Oi |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Brett Stottlemeyer |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Chuck Evans |
2011 U.S.Open 9-Ball |
| Mika Immonen defeated Naoyuki Oi |
2011 U.S.Open 9-Ball |
| Naoyuki Oi defeated Carlo Biado |
2012 World Championships 9-Ball |
| Naoyuki Oi defeated Jung-Lin Chang |
2012 World Championships 9-Ball |
| Naoyuki Oi defeated Thorsten Hohmann |
2012 World Championships 9-Ball |
| Naoyuki Oi defeated Karl Boyes |
2012 World Championships 9-Ball |
| Darren Appleton defeated Naoyuki Oi |
2012 World Championships 9-Ball |
| Naoyuki Oi defeated Dominic Jentsch |
2013 World Championships 9-Ball |
| Vilmos Foldes defeated Naoyuki Oi |
2013 World Championships 9-Ball |
| Naoyuki Oi defeated Larry Kressel |
2013 U.S.Open 9-Ball |
| Naoyuki Oi defeated David Hunt |
2013 U.S.Open 9-Ball |
| Mike Dechaine defeated Naoyuki Oi |
2013 U.S.Open 9-Ball |
| Donny Mills defeated Naoyuki Oi |
2013 U.S.Open 9-Ball |
| Naoyuki Oi defeated Dennis Orcollo |
2014 World Championships 9-Ball |
| Pin-Yi Ko defeated Naoyuki Oi |
2014 World Championships 9-Ball |
| Do Hoang Quan defeated Naoyuki Oi |
2015 China Open 9-Ball |
| Aloysius Yapp defeated Naoyuki Oi |
2015 World Championships 9-Ball |
| Naoyuki Oi defeated Lee Van Corteza |
2017 Molinari Players Championship 8-Ball |
| Naoyuki Oi defeated Carlo Biado |
2017 Molinari Players Championship 8-Ball |
| Naoyuki Oi defeated Yannick Beaufils |
2017 Molinari Players Championship 8-Ball |
| Naoyuki Oi defeated Imran Majid |
2017 Molinari Players Championship 8-Ball |
| Naoyuki Oi defeated Unknown Player |
2017 Molinari Players Championship 8-Ball |
| Evan Lunda defeated Naoyuki Oi |
2017 Derby City Classic Bank Pool |
| Scott Frost defeated Naoyuki Oi |
2017 Derby City Classic One Pocket |
| Ali Wilkes defeated Naoyuki Oi |
2017 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Yuichi Inagawa |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Jin-Hu Dang |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Corey Deuel |
2017 U.S.Open 9-Ball |
| Eklent KaCi defeated Naoyuki Oi |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Hsu Kai-Lun |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Jin-Hu Dang |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Alex Pagulayan |
2017 U.S.Open 9-Ball |
| Francisco Sanchez-Ruiz defeated Naoyuki Oi |
2017 U.S.Open 9-Ball |
| Naoyuki Oi defeated Daniel Tangudd |
2017 World Championship 9-Ball |
| Naoyuki Oi defeated John Morra |
2017 World Championship 9-Ball |
| Francisco Felicilda defeated Naoyuki Oi |
2017 World Championship 9-Ball |
| Naoyuki Oi defeated Abdullah Falah |
2018 World Championship 9-Ball |
| Naoyuki Oi defeated Casper Matikainen |
2018 World Championship 9-Ball |
| Francisco Diaz-Pizarro defeated Naoyuki Oi |
2018 World Championship 9-Ball |
| Marco Vignola defeated Naoyuki Oi |
2019 U.S.Open 9-Ball |
| Naoyuki Oi defeated Jason Klatt |
2019 U.S.Open 9-Ball |
| Naoyuki Oi defeated Alejandro Carvajal |
2019 U.S.Open 9-Ball |
| Naoyuki Oi defeated Marlon Manalo |
2019 U.S.Open 9-Ball |
| Naoyuki Oi defeated Johnny Archer |
2019 U.S.Open 9-Ball |
| Alexander Kazakis defeated Naoyuki Oi |
2019 U.S.Open 9-Ball |
| Roberto Gomez defeated Naoyuki Oi |
2017 WPS 2nd Series - Aramith Masters Championship 8-Ball |
| Naoyuki Oi defeated Martin Daigle |
2017 WPS 2nd Series - Aramith Masters Championship 8-Ball |
| Naoyuki Oi defeated Tommy Kennedy |
2017 WPS 2nd Series - Aramith Masters Championship 8-Ball |
| Naoyuki Oi defeated Johnny Archer |
2017 WPS 2nd Series - Aramith Masters Championship 8-Ball |
| Ralf Souquet defeated Naoyuki Oi |
2017 WPS 2nd Series - Aramith Masters Championship 8-Ball |
| Ike Runnels defeated Naoyuki Oi |
2017 WPS 2nd Series - Kamui Challenge Championship 8-Ball |
| Yu Lung Chang defeated Naoyuki Oi |
2017 WPS Grand Final - Predator World Series Championship 8-Ball |
| Naoyuki Oi defeated Ralf Souquet |
2017 WPS Grand Final - Predator World Series Championship 8-Ball |
| Lee Van Corteza defeated Naoyuki Oi |
2017 WPS Grand Final - Predator World Series Championship 8-Ball |
| Naoyuki Oi defeated Hunter Lombardo |
2019 World Championships 9-Ball |
| Naoyuki Oi defeated Petri Makkonen |
2019 World Championships 9-Ball |
| Naoyuki Oi defeated Johann Chua |
2019 World Championships 9-Ball |
| Haitao Liu defeated Naoyuki Oi |
2019 World Championships 9-Ball |
| Naoyuki Oi defeated Stewart Kenney |
2020 Derby City Classic Bank Pool |
| David Grossman defeated Naoyuki Oi |
2020 Derby City Classic Bank Pool |
| Shane McMinn defeated Naoyuki Oi |
2020 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Amar AlSaady |
2020 Derby City Classic One Pocket |
| John Pinegar defeated Naoyuki Oi |
2020 Derby City Classic One Pocket |
| Naoyuki Oi defeated Ray Edward |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Jason Casey |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Larry Nevel |
2020 Derby City Classic 9-Ball |
| John Pinegar defeated Naoyuki Oi |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Rahul Vithani |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Billy Thorpe |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Blaine Barcus |
2020 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Michael Yednak |
2020 Derby City Classic 9-Ball |
| Shane Van Boening defeated Naoyuki Oi |
2020 Derby City Classic 9-Ball |
| Francisco Sanchez-Ruiz defeated Naoyuki Oi |
2021 World Championships 9-Ball |
| Naoyuki Oi defeated Joshua Filler |
2021 World Championships 9-Ball |
| Eklenti Kaci defeated Naoyuki Oi |
2021 World Pool Masters 9-Ball |
| Steve Martin defeated Naoyuki Oi |
2022 Derby City Classic Bank Pool |
| Tim DeRuyter defeated Naoyuki Oi |
2022 Derby City Classic Bank Pool |
| Redgie Cutler defeated Naoyuki Oi |
2022 Derby City Classic One Pocket |
| Joshua Filler defeated Naoyuki Oi |
2022 Derby City Classic One Pocket |
| Shane Wolford defeated Naoyuki Oi |
2022 Derby City Classic 9-Ball |
| Carlo Biado defeated Naoyuki Oi |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Alex Pagulayan |
2022 Derby City Classic One Pocket |
| Naoyuki Oi defeated Billy Thorpe |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated John Lynch |
2022 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Manny Chau |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Richard Andrews |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated David Siltz |
2022 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Dustin Miller |
2022 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Bruce Russell |
2022 Derby City Classic One Pocket |
| Naoyuki Oi defeated Caleb Schumacher |
2022 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Pedro Botta |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Mike Banks |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Tyler Stapleton |
2022 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Jim Reinhardt |
2023 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Ronald Kelly |
2023 Derby City Classic Bank Pool |
| Spencer Ladin defeated Naoyuki Oi |
2023 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Brian Hebbeler |
2023 Derby City Classic Bank Pool |
| Randy Flakes defeated Naoyuki Oi |
2023 Derby City Classic Bank Pool |
| Naoyuki Oi defeated Shane McGuire |
2023 Derby City Classic One Pocket |
| Naoyuki Oi defeated Trevor Wright |
2023 Derby City Classic One Pocket |
| Naoyuki Oi defeated Chad Fairchild |
2023 Derby City Classic One Pocket |
| Naoyuki Oi defeated Paul Toddy |
2023 Derby City Classic One Pocket |
| Gerson Martinez defeated Naoyuki Oi |
2023 Derby City Classic One Pocket |
| Efren Reyes defeated Naoyuki Oi |
2023 Derby City Classic One Pocket |
| Naoyuki Oi defeated Tyler Stapleton |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Rahul Vithani |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Chris Eason |
2023 Derby City Classic 9-Ball |
| Pijus Labutis defeated Naoyuki Oi |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Melissa Smith |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Ben Jones |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Anthony Raga |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Konrad Juszczyszyn |
2023 Derby City Classic 9-Ball |
| Robbie Capito defeated Naoyuki Oi |
2023 Derby City Classic 9-Ball |
| Naoyuki Oi defeated Brian Wilson |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated Nathan Baas |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated Mason Stewart |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated Ruben Flores |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated David Brown |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated Billy Thorpe |
2024 Derby City Classic One Pocket |
| John Pinegar defeated Naoyuki Oi |
2024 Derby City Classic One Pocket |
| Naoyuki Oi defeated Steve Morrow |
2024 Derby City Classic One Pocket |
| Lee Van Corteza defeated Naoyuki Oi |
2024 Derby City Classic One Pocket |