Here is a list of Heinisch's best fights. For a list of Heinisch's losses, refer to "Ian Heinisch Losses".
On June 6, 2020 Ian Heinisch faced off against Gerald Meerschaert in a middleweight bout at age 31. He was coming in with a record of 14-3 (7), and Meerschaert was 32 years old and with a record of 31-12 (27). Heinisch stopped Gerald Meerschaert via TKO.
On May 18, 2019 Ian Heinisch faced off against Antônio Carlos Júnior in a middleweight bout at age 30. He was coming in with a record of 13-1 (6), and Júnior was 29 years old and with a record of 10-2 (8). Heinisch won the fight via 3-round unanimous decision.
On November 17, 2018 Ian Heinisch faced off against Cezar Ferreira in a middleweight bout at age 30. He was coming in with a record of 12-1 (6), and Ferreira was 33 years old and with a record of 13-6 (5). Heinisch won the fight via 3-round unanimous decision.
On March 12, 2016 Ian Heinisch faced off against Tyler Vogel in a middleweight bout at age 27. He was coming in with a record of 5-0 (1). Heinisch won the fight via 3-round unanimous decision.