Here is a list of Ritson's best fights. For a list of Ritson's losses, refer to "Lewis Ritson Losses".
On October 19, 2019 Lewis Ritson faced off against Robbie Davies Jr. in a super-lightweight bout at age 26. He was coming in with a record of 20-1 (12), and Davies Jr. was 30 years old and with a record of 19-1 (13). Ritson won the fight via 12-round unanimous decision.
On October 17, 2020 Lewis Ritson faced off against Miguel Vázquez in a super-lightweight bout at age 27. He was coming in with a record of 21-1 (12), and Vázquez was 33 years old and with a record of 42-9 (16). Ritson won the fight via 12-round split decision.
On February 25, 2018 Lewis Ritson faced off against Joe Murray in a lightweight bout at age 24. He was coming in with a record of 14-0 (8). Ritson stopped Joe Murray via TKO.
On June 16, 2018 Lewis Ritson faced off against Paul Hyland Jnr in a lightweight bout at age 24. He was coming in with a record of 16-0 (10). Ritson stopped Paul Hyland Jnr via TKO.
On March 24, 2018 Lewis Ritson faced off against Scott Cardle in a lightweight bout at age 24. He was coming in with a record of 15-0 (9). Ritson stopped Scott Cardle via TKO.