Otto Wallin has had just a single loss inhis professional boxing career so far. He suffered his first loss against Tyson Fury via 12 round unanimous decision on September 14, 2019, which ended his 20-fight win streak. Fury is the only boxer to beat Wallin.
The first and only loss in Otto Wallin's career so far. Wallin lost to British boxer Tyson Fury via 12 round unanimous decision on in a non-title bout. He was 28 years old with a record of 20-0. Fury was 31 years old with a record of 28-0-1.