| Greg Gauthier defeated Mike Mallette |
2008 Amateur Canadian Championships 9-Ball |
| Dennis Coolen defeated Greg Gauthier |
2008 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Mike Loiselle |
2008 Amateur Canadian Championships 9-Ball |
| Mike Kelly defeated Greg Gauthier |
2008 Amateur Canadian Championships 9-Ball |
| Jeet Khandi defeated Greg Gauthier |
2018 Amateur Canadian Championships 9-Ball |
| Jehlar Fernandez defeated Greg Gauthier |
2018 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Brad Guthrie |
2018 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Clayton Dennis |
2018 Amateur Canadian Championships 9-Ball |
| Dev Bhattacharya defeated Greg Gauthier |
2019 Amateur Canadian Championships 8-Ball |
| Greg Gauthier defeated Randy Macfarlane |
2019 Amateur Canadian Championships 8-Ball |
| Jean-Guy Belliveau defeated Greg Gauthier |
2019 Amateur Canadian Championships 8-Ball |
| Greg Gauthier defeated Landon Paul |
2019 Amateur Canadian Championships 9-Ball |
| Paul Gordon defeated Greg Gauthier |
2019 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Randy Tucker |
2019 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Wayne Thibodeau |
2019 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Brandon Belding |
2019 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Jason Ross |
2019 Amateur Canadian Championships 9-Ball |
| Robert Young defeated Greg Gauthier |
2019 Amateur Canadian Championships 9-Ball |
| Greg Gauthier defeated Paul Gordon |
2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Jean-guy Belliveau defeated Greg Gauthier |
2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Steve Lushman defeated Greg Gauthier |
2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Greg Gauthier defeated Christopher Beals |
2019 New Brunswick Championship 10-Ball |
| Charles Lamb defeated Greg Gauthier |
2019 New Brunswick Championship 10-Ball |
| Greg Gauthier defeated Paul Comeau |
2019 New Brunswick Championship 10-Ball |
| Greg Gauthier defeated Yvon Robichaud |
2019 New Brunswick Championship 10-Ball |
| Remi Boudreau defeated Greg Gauthier |
2019 New Brunswick Championship 10-Ball |
| Greg Gauthier defeated Dave Gagnon |
2019 NBBA Viking Tour Event #1 9-Ball |
| Greg Gauthier defeated Patrick Godin |
2019 NBBA Viking Tour Event #1 9-Ball |
| Jason Robichaud defeated Greg Gauthier |
2019 NBBA Viking Tour Event #1 9-Ball |
| Greg Gauthier defeated Ricky Harris |
2019 NBBA Viking Tour Event #1 9-Ball |
| Greg Gauthier defeated Reid Virtue |
2019 NBBA Viking Tour Event #1 9-Ball |
| Greg Gauthier defeated Jason Thomas |
2019 NBBA Viking Tour Event #1 9-Ball |
| Jason Robichaud defeated Greg Gauthier |
2019 NBBA Viking Tour Event #1 9-Ball |
| Greg Gauthier defeated Ron Williams |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Derek Peterson |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Yvon Robichaud |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Chris Simmons |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Rejean Gallant |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Jason Thomas |
2019 Viking Tour Event #3 9-Ball |
| Jason Thomas defeated Greg Gauthier |
2019 Viking Tour Event #3 9-Ball |
| Greg Gauthier defeated Kerry Barker |
2019 Viking Tour Event #4 8-Ball |
| Greg Gauthier defeated Chris O'connor |
2019 Viking Tour Event #4 8-Ball |
| Greg Gauthier defeated Jason Thomas |
2019 Viking Tour Event #4 8-Ball |
| Jason Robichaud defeated Greg Gauthier |
2019 Viking Tour Event #4 8-Ball |
| Derek Peterson defeated Greg Gauthier |
2019 Viking Tour Event #4 8-Ball |
| Marco Ruest defeated Greg Gauthier |
2020 Viking Tour Event #6 8-Ball |
| Greg Gauthier defeated Chris Dempsey |
2020 Viking Tour Event #6 8-Ball |
| Rob Sakell defeated Greg Gauthier |
2020 Viking Tour Event #6 8-Ball |
| Greg Gauthier defeated Josh Alden |
2020 Viking Tour Event #7 8-Ball |
| Greg Gauthier defeated Karl Hanley |
2020 Viking Tour Event #7 8-Ball |
| Chris Simmons defeated Greg Gauthier |
2020 Viking Tour Event #7 8-Ball |
| Jerry O'keefe defeated Greg Gauthier |
2020 Viking Tour Event #7 8-Ball |
| Greg Gauthier defeated Cathy Horgan |
2020 Shooter's Atlantic Classic 9-Ball |
| Ryan Kendall defeated Greg Gauthier |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Josh Kindred |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Moody Dumas |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Ricky Harris |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Bruce Abadilla |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Ervin Mitchelmore |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Ryan Kendall |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Greg Gauthier |
2020 Shooter's Atlantic Classic 9-Ball |
| Greg Gauthier defeated Matt Roode |
2023 Eastern Canadians Final 64 9-Ball |
| Greg Gauthier defeated Gary Kelly |
2023 Eastern Canadians Final 64 9-Ball |
| Greg Gauthier defeated Jason Thomas |
2023 Eastern Canadians Final 32 9-Ball |
| Marco Rico defeated Greg Gauthier |
2023 Eastern Canadians Final 32 9-Ball |