Zach Parker losses
Over 10 years as a professional, Zach Parker has compiled a 26-2 (18) record, including six title fights. He has two losses, one of them in a title fight.
2. Zach Parker loses to Joshua Buatsi via majority decision
On November 1, 2025 Zach Parker faced Joshua Buatsi in a light heavyweight bout. Parker was 31 years old with a record of 26-1, and Buatsi was 32 with a record of 19-1. Parker was on a 4-fight winning streak, while Buatsi was coming off a loss. Parker lost via majority decision. Went the distance with Buatsi.
1. Zach Parker loses to John Ryder via KO
On November 26, 2022 Zach Parker fought John Ryder for the vacant WBO interim super middleweight title. Parker was 28 years old with a record of 22-0, and Ryder was 34 with a record of 31-5. Parker was on an undefeated 22-fight winning streak and Ryder was on a 3-fight winning streak. Ryder stopped Parker via TKO in the 5th round. Failed to win the vacant title.