Patrick Nielsen has three losses against three opponents on his boxing record. For a list of Nielsen's best fights, refer to "Best fights of Patrick Nielsen".
On April 28, 2018 Patrick Nielsen faced off against Arthur Abraham in a super-middleweight bout at age 27. He was coming in with a record of 29-3 (14), and Abraham was 38 years old and with a record of 46-6 (30). Nielsen lost the fight via 12-round split decision.
On October 14, 2017 Patrick Nielsen faced off against John Ryder in a super-middleweight bout at age 26. He was coming in with a record of 29-2 (14), and Ryder was 29 years old and with a record of 24-4 (12). Nielsen lost the fight via 5th-round KO.
On June 1, 2014 Patrick Nielsen faced off against Dmitry Chudinov in a middleweight bout at age 23. He was coming in with a record of 22-1 (11). Nielsen lost the fight via 12-round unanimous decision.
