| Result | Tournament |
|---|---|
| Jim Taylor defeated Dave Gagnon | 2023 NBBA Predator Event # 2 9-Ball |
| Ryan Samson defeated Dave Gagnon | 2023 NBBA Predator Event # 2 9-Ball |
| Dave Gagnon defeated Derek Peterson | 2023 NBBA Predator Event # 1 9-Ball |
| Jean-guy Belliveau defeated Dave Gagnon | 2023 NBBA Predator Event # 1 9-Ball |
| Ricky Harris defeated Dave Gagnon | 2023 NBBA Predator Event # 1 9-Ball |
| Dave Gagnon defeated Josh Alden | 2022 Viking Tour Stop #1 9-Ball |
| Dave Gagnon defeated Josh Kindred | 2022 Viking Tour Stop #1 9-Ball |
| Reid Virtue defeated Dave Gagnon | 2022 Viking Tour Stop #1 9-Ball |
| Ken Robia defeated Dave Gagnon | 2022 NBBA Provincial Championship 9-Ball |
| Dave Gagnon defeated Andre Vautour | 2022 NBBA Provincial Championship 9-Ball |
| Dave Gagnon defeated Rob Connolly | 2022 NBBA Provincial Championship 9-Ball |
| Chris Doucet defeated Dave Gagnon | 2022 NBBA Provincial Championship 9-Ball |
| Mark McDonough defeated Dave Gagnon | 2020 Shooter's Atlantic Classic 8-Ball |
| Jason Thomas defeated Dave Gagnon | 2020 Shooter's Atlantic Classic 8-Ball |
| Dave Gagnon defeated Scott Henderson | 2019 Viking Tour Event #3 9-Ball |
| Dave Gagnon defeated Matt Crawford | 2019 Viking Tour Event #3 9-Ball |
| Jr Thibeault defeated Dave Gagnon | 2019 Viking Tour Event #2 8-Ball |
| Yvon Azard defeated Dave Gagnon | 2019 Viking Tour Event #2 8-Ball |
| Dave Gagnon defeated Jim Taylor | 2019 New Brunswick Championships 9-Ball |
| Joe Mcintyre defeated Dave Gagnon | 2019 New Brunswick Championships 9-Ball |
| Mike Henderson defeated Dave Gagnon | 2019 New Brunswick Championships 9-Ball |
| Dave Gagnon defeated Rick Basque | 2019 New Brunswick Championship 10-Ball |
| Jamie Carter defeated Dave Gagnon | 2019 New Brunswick Championship 10-Ball |
| Rob Sakell defeated Dave Gagnon | 2019 New Brunswick Championship 10-Ball |
| Greg Gauthier defeated Dave Gagnon | 2019 NBBA Viking Tour Event #1 9-Ball |
| Reid Virtue defeated Dave Gagnon | 2019 NBBA Viking Tour Event #1 9-Ball |
| Bruno Doiron defeated Dave Gagnon | 2019 NBBA Viking Cues Tour Event #8 8-Ball |
| Dave Gagnon defeated Jerome Cormier | 2019 NBBA Viking Cues Tour Event #8 8-Ball |
| Dave Gagnon defeated Valere Lanteigne | 2019 NBBA Viking Cues Tour Event #8 8-Ball |
| Yvon Azard defeated Dave Gagnon | 2019 NBBA Viking Cues Tour Event #8 8-Ball |
| Dave Gagnon defeated Shawn Stewart | 2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Colin Clark defeated Dave Gagnon | 2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Doug Osbourne defeated Dave Gagnon | 2019 NBBA Viking Cues Tour Event #7 9-Ball |
| Bob Hensel defeated Dave Gagnon | 2018 Falcon Cues Quebec Tour 9-Ball |
| Tom Theriault defeated Dave Gagnon | 2018 Falcon Cues Quebec Tour 9-Ball |
| Dave Gagnon defeated Brian Bosse | 2018 Falcon Cues Quebec Tour 9-Ball |