Darko Stošić has eight losses against seven opponents on his MMA record. For a list of Stošić's best fights, refer to "Best fights of Darko Stošić".
On September 6, 2025 Darko Stošić faced off against Ivan Vitasović in a heavyweight bout at age 33. He was coming in with a record of 21-8 (16). Stošić lost the fight via 5-round unanimous decision.
On November 16, 2024 Darko Stošić fought Phil De Fries in a heavyweight title fight for De Fries' KSW Championship title. Stošić was 32 years old and with a record of 21-7 (16), and De Fries was 38 years old and with a record of 25-6 (19). Stošić lost the fight via 1st-round TKO.
On February 18, 2023 Darko Stošić faced off against Shamil Gaziev in a heavyweight bout at age 31. He was coming in with a record of 17-6 (12), and Gaziev was 33 years old and with a record of 9-0 (8). Stošić lost the fight via 1st-round TKO.
On February 26, 2022 Darko Stošić fought Phil De Fries in a heavyweight title fight for De Fries' KSW Championship title. Stošić was 30 years old and with a record of 16-5 (11), and De Fries was 35 years old and with a record of 20-6 (16). Stošić lost the fight via 5th-round TKO.
On January 25, 2020 Darko Stošić faced off against Jamahal Hill in a light-heavyweight bout at age 27. He was coming in with a record of 13-4 (9), and Hill was 28 years old and with a record of 6-0 (3). Stošić lost the fight via 3-round unanimous decision.
On August 3, 2019 Darko Stošić faced off against Kennedy Nzechukwu in a light-heavyweight bout at age 27. He was coming in with a record of 13-3 (9), and Nzechukwu was 27 years old and with a record of 6-1 (4). Stošić lost the fight via 3-round unanimous decision.
On June 1, 2019 Darko Stošić faced off against Devin Clark in a light-heavyweight bout at age 27. He was coming in with a record of 13-2 (9), and Clark was 29 years old and with a record of 9-3 (4). Stošić lost the fight via 3-round unanimous decision.
On August 4, 2014 Darko Stošić faced off against Jiří Procházka in a light-heavyweight bout at age 22. He was coming in with a record of 4-1 (2). Stošić lost the fight via 1st-round TKO.