On December 24, 2021, a 38-year-old Petr Petrov (42-6-2, 23 KOs) and Khariton Agrba met in the ring in a super-lightweight bout.
Petrov came in to the fight on a 4-fight win streak with a 46% KO rate, and was fighting after a gap of 1 year, 5 months, and 28 days.
Petr Petrov lost to Khariton Agrba via TKO in the 3rd round, and adds a loss to his record at 42-7-2.
On March 9, 2018, a 34-year-old Petr Petrov (38-5-2, 19 KOs) and a 25-year-old Belarusian boxer Ivan Baranchyk (17-0, 10 KOs) met in the ring.
Petrov came in to the fight on a 1-fight losing streak with a 42% KO rate, and was fighting after a gap of 11 months and 1 day. Baranchyk was on a 17-fight win streak with a 58% KO rate, and fighting after a layoff of 7 months and 23 days.
Ivan Baranchyk stopped Petr Petrov via TKO in the 8th round. Baranchyk improves his record to 18-0 (11 KOs), while Petrov adds a loss to his record at 38-6-2.
On April 8, 2017, a 34-year-old Petr Petrov (38-4-2, 19 KOs) got a shot at the lightweight WBO title held by 27-year-old British boxer Terry Flanagan (32-0, 13 KOs).
Petrov came in to the fight on a 6-fight win streak with a 43% KO rate, and was fighting after a gap of 6 months and 9 days. Flanagan was on a 32-fight win streak with a 40% KO rate, and fighting after a layoff of 4 months and 13 days.
Terry Flanagan defeated Petr Petrov via unanimous decision and successfully defended his WBO lightweight title. Flanagan improves his record to 33-0, while Petrov adds a loss to his record at 38-5-2.
On April 13, 2013, a 30-year-old Petr Petrov (32-3-2, 15 KOs) and Dejan Zlaticanin met in the ring in a lightweight bout.
Petrov came in to the fight on a 3-fight win streak with a 40% KO rate, and was fighting after a gap of 4 months and 20 days.
Petr Petrov lost to Dejan Zlaticanin via unanimous decision in the 12-round lightweight fight, and adds a loss to his record at 32-4-2.
On September 23, 2011, a 28-year-old Petr Petrov (29-2-2, 13 KOs) got a shot at the super-lightweight WBA (Regular) title held by 28-year-old Argentinian boxer Marcos Maidana (30-2, 27 KOs).
Petrov came in to the fight on a 13-fight win streak with a 39% KO rate, and was fighting after a gap of 2 months and 15 days. Maidana was on a 1-fight win streak with a 84% KO rate, and fighting after a layoff of 5 months and 14 days.
Marcos Maidana stopped Petr Petrov via KO in the 4th round of the 12-round world-title fight, and successfully defended his WBA (Regular) super-lightweight title. Maidana improves his record to 31-2 (28 KOs), while Petrov adds a loss to his record at 29-3-2.
On October 20, 2007, a 24-year-old Petr Petrov (16-1-2, 8 KOs) and Vitali Tajbert met in the ring.
Petrov came in to the fight after a draw in his last fight with a 42% KO rate, and was fighting after a gap of 7 months and 18 days.
Petr Petrov lost to Vitali Tajbert via unanimous decision in the 8-round fight, and adds a loss to his record at 16-2-2.
On September 5, 2003, a 20-year-old Petr Petrov (7-0-1, 3 KOs) and Ubadel Soto met in the ring.
Petrov came in to the fight on a 2-fight win streak with a 37% KO rate, and was fighting after a gap of 3 months and 27 days.
Petr Petrov lost to Ubadel Soto via split decision in the 6-round fight, and adds a loss to his record at 7-1-1.