Roberto Soldić has four losses against four opponents on his MMA record. For a list of Soldić's best fights, refer to "Best fights of Roberto Soldić".
On May 5, 2023 Roberto Soldić faced off against Zebaztian Kadestam in a middleweight bout at age 28. He was coming in with a record of 20-4 (18). Soldić lost the fight via 2nd-round TKO.
On April 14, 2018 Roberto Soldić met Dricus du Plessis in a welterweight (KSW Championship) title defense fight. Soldić was 23 years old and with a record of 13-3 (12), and Plessis was 24 years old and with a record of 11-1 (11). Soldić lost the fight via 2nd-round TKO and lost the title.
On June 18, 2016 Roberto Soldić faced off against Yaroslav Amosov in a welterweight bout at age 21. He was coming in with a record of 6-2 (5), and Amosov was 22 years old and with a record of 16-0 (15). Soldić lost the fight via 3-round split decision.
On July 27, 2015 Roberto Soldić faced off against Marko Radaković in a welterweight bout at age 20. He was coming in with a record of 4-1 (4). Soldić lost the fight via 2-round unanimous decision.