On February 2, 2019, a 39-year-old Ivan Nikolov (2-6-1, 0 KOs) and Ianis Iassin met in the ring.
Nikolov came in to the fight on a 2-fight losing streak with a 0% KO rate, and was fighting after a gap of 14 days.
Ivan Nikolov defeated Ianis Iassin via unanimous decision in the 4-round fight. Nikolov improves his record to 3-6-1
On February 17, 2018, a 38-year-old Ivan Nikolov (1-1, 0 KOs) and Ivo Krastev met in the ring for the 2nd time,.
Nikolov came in to the fight on a 1-fight losing streak with a 0% KO rate, and was fighting after a gap of 2 months and 15 days.
In the rematch, Ivan Nikolov defeated Ivo Krastev via split decision in the 4-round fight. Nikolov improves his record to 2-1
On November 3, 2018, a 39-year-old Ivan Nikolov (2-4, 0 KOs) and Hristo Yonev met in the ring.
Nikolov came in to the fight on a 3-fight losing streak with a 0% KO rate, and was fighting after a gap of 20 days.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Nikolov is now 2-4-1.
On April 23, 2022, a 43-year-old Ivan Nikolov (3-13-2, 0 KOs) and Gregory Trenel met in the ring.
Nikolov came in to the fight on a 5-fight losing streak with a 0% KO rate, and was fighting after a gap of 20 days.
Ivan Nikolov lost to Gregory Trenel via TKO in the 6th round, and adds a loss to his record at 3-14-2.
On April 3, 2022, a 43-year-old Ivan Nikolov (3-12-2, 0 KOs) and Borislav Ivanov met in the ring for the 2nd time,.
Nikolov came in to the fight on a 4-fight losing streak with a 0% KO rate, and was fighting after a gap of 4 months and 22 days.
Ivan Nikolov lost to Borislav Ivanov via unanimous decision in the 6-round fight, and adds a loss to his record at 3-13-2.
On November 12, 2021, a 42-year-old Ivan Nikolov (3-11-2, 0 KOs) and Vladimir Georgiev met in the ring.
Nikolov came in to the fight on a 3-fight losing streak with a 0% KO rate, and was fighting after a gap of 4 months and 24 days.
Ivan Nikolov lost to Vladimir Georgiev via unanimous decision in the 4-round fight, and adds a loss to his record at 3-12-2.
On January 16, 2021, a 41-year-old Ivan Nikolov (3-8-1, 0 KOs) and Konstantin Aleksandrov met in the ring.
Nikolov came in to the fight on a 2-fight losing streak with a 0% KO rate, and was fighting after a gap of 1 year, 5 months, and 6 days.
The fight ended in a points decision draw and both the fighters added a draw to their respective records — Nikolov is now 3-8-2.
On August 10, 2019, a 40-year-old Ivan Nikolov (3-7-1, 0 KOs) and Tsvetozar Iliev met in the ring.
Nikolov came in to the fight on a 1-fight losing streak with a 0% KO rate, and was fighting after a gap of 3 months and 7 days.
Ivan Nikolov lost to Tsvetozar Iliev via unanimous decision in the 4-round fight, and adds a loss to his record at 3-8-1.
On May 3, 2019, a 40-year-old Ivan Nikolov (3-6-1, 0 KOs) and Yosif Panov met in the ring.
Nikolov came in to the fight on a 1-fight win streak with a 0% KO rate, and was fighting after a gap of 3 months and 1 day.
Ivan Nikolov lost to Yosif Panov via TKO in the 6th round, and adds a loss to his record at 3-7-1.
On January 19, 2019, a 39-year-old Ivan Nikolov (2-5-1, 0 KOs) and Adam Bashanov met in the ring.
Nikolov came in to the fight on a 1-fight losing streak with a 0% KO rate, and was fighting after a gap of 1 month and 11 days.
Ivan Nikolov lost to Adam Bashanov via unanimous decision in the 4-round fight, and adds a loss to his record at 2-6-1.