Zach Parker has two losses against two opponents on his boxing record. For a list of Parker's best fights, refer to "Best fights of Zach Parker".
On November 1, 2025 Zach Parker faced off against Joshua Buatsi in a super-middleweight bout at age 31. He was coming in with a record of 26-2 (18), and Buatsi was 32 years old and with a record of 19-1 (13). Parker lost the fight via 10-round majority decision.
On November 26, 2022 Zach Parker fought John Ryder in a super-middleweight world-title fight for the WBO title. Parker was 28 years old and with a record of 22-1 (16), and Ryder was 34 years old and with a record of 31-5 (17). Parker lost the fight via 4th-round retirement.
