Here is a list of Rozenstruik's best fights. For a list of Rozenstruik's losses, refer to "Jairzinho Rozenstruik Losses".
On June 22, 2019 Jairzinho Rozenstruik faced off against Allen Crowder in a heavyweight bout at age 31. He was coming in with a record of 8-0 (7), and Crowder was 29 years old and with a record of 10-3 (8). Rozenstruik stopped Allen Crowder via KO.
On June 5, 2021 Jairzinho Rozenstruik faced off against Augusto Sakai in a heavyweight bout at age 33. He was coming in with a record of 12-2 (11), and Sakai was 30 years old and with a record of 15-2-1 (11). Rozenstruik stopped Augusto Sakai via TKO.
On November 2, 2019 Jairzinho Rozenstruik faced off against Andrei Arlovski in a heavyweight bout at age 31. He was coming in with a record of 9-0 (8), and Arlovski was 40 years old and with a record of 28-18 (20). Rozenstruik stopped Andrei Arlovski via KO.
On February 2, 2019 Jairzinho Rozenstruik faced off against Júnior Albini in a heavyweight bout at age 30. He was coming in with a record of 7-0 (6), and Albini was 27 years old and with a record of 14-4 (12). Rozenstruik stopped Júnior Albini via TKO.
On December 10, 2022 Jairzinho Rozenstruik faced off against Chris Daukaus in a heavyweight bout at age 34. He was coming in with a record of 13-4 (12), and Daukaus was 33 years old and with a record of 12-5 (11). Rozenstruik stopped Chris Daukaus via KO.
On August 15, 2020 Jairzinho Rozenstruik faced off against Junior dos Santos in a heavyweight bout at age 32. He was coming in with a record of 11-1 (10), and Santos was 36 years old and with a record of 21-7 (16). Rozenstruik stopped Junior dos Santos via TKO.
On March 2, 2024 Jairzinho Rozenstruik faced off against Shamil Gaziev in a heavyweight bout at age 35. He was coming in with a record of 14-5 (13), and Gaziev was 34 years old and with a record of 12-0 (11). Rozenstruik stopped Shamil Gaziev via TKO.
On August 18, 2024 Jairzinho Rozenstruik faced off against Tai Tuivasa in a heavyweight bout at age 36. He was coming in with a record of 15-5 (13), and Tuivasa was 31 years old and with a record of 14-7 (13). Rozenstruik won the fight via 3-round split decision.
On December 7, 2019 Jairzinho Rozenstruik faced off against Alistair Overeem in a heavyweight bout at age 31. He was coming in with a record of 10-0 (9), and Overeem was 39 years old and with a record of 45-17 (40). Rozenstruik stopped Alistair Overeem via KO.
On May 6, 2018 Jairzinho Rozenstruik faced off against Andrey Kovalev in a heavyweight bout at age 30. He was coming in with a record of 5-0 (4). Rozenstruik won the fight via 3-round split decision.
