On December 18, 2015, 29-year-old Rances Barthelemy (23-0, 13 KOs) and Denis Shafikov fought for the vacant IBF lightweight title.
Barthelemy came in to the fight on a 23-fight win streak with a 56% KO rate, and was fighting after a gap of 5 months and 28 days.
Rances Barthelemy defeated Denis Shafikov via unanimous decision . Barthelemy improves his record to 24-0
On October 4, 2014, the 28-year-old IBF super-featherweight world champion, Rances Barthelemy (20-0, 12 KOs), faced David Saucedo, in a title defense fight.
Barthelemy came in to the fight on a 20-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 24 days.
Rances Barthelemy defeated David Saucedo via unanimous decision and successfully defended his IBF super-featherweight title. Barthelemy improves his record to 21-0
On July 10, 2014, Rances Barthelemy and Argenis Mendez met again in an immediate rematch.
Barthelemy came in to the fight on a 19-fight win streak with a 63% KO rate, and was fighting after a gap of 6 months and 7 days.
Rances Barthelemy defeated Argenis Mendez via unanimous decision in the rematch and wins the IBF title — in his first world-title fight. Barthelemy improves his record to 20-0
On June 3, 2016, the 29-year-old IBF lightweight world champion, Rances Barthelemy (24-0, 13 KOs), faced a 32-year-old American boxer Mickey Bey (22-1-1, 10 KOs), in a title defense fight.
Barthelemy came in to the fight on a 24-fight win streak with a 54% KO rate, and was fighting after a gap of 5 months and 16 days. Bey was on a 4-fight win streak with a 41% KO rate, and fighting after a layoff of 5 months and 16 days.
Rances Barthelemy defeated Mickey Bey via split decision and successfully defended his IBF lightweight title. Barthelemy improves his record to 25-0, while Bey adds a loss to his record at 22-2-1.
On December 22, 2018, a 32-year-old Rances Barthelemy (26-1, 13 KOs) and Robert Frankel met in the ring.
Barthelemy came in to the fight on a 1-fight losing streak with a 48% KO rate, and was fighting after a gap of 9 months and 12 days.
Rances Barthelemy stopped Robert Frankel via TKO in the 3rd round. Barthelemy improves his record to 27-1 (14 KOs)
On November 19, 2010, a 24-year-old Rances Barthelemy (8-0, 6 KOs) and Roberto Acevedo met in the ring.
Barthelemy came in to the fight on a 8-fight win streak with a 75% KO rate, and was fighting after a gap of 2 months and 4 days.
Rances Barthelemy stopped Roberto Acevedo via TKO in the 1st round. Barthelemy improves his record to 9-0 (7 KOs)
On August 18, 2010, a 24-year-old Rances Barthelemy (6-0, 4 KOs) and John Temple met in the ring.
Barthelemy came in to the fight on a 6-fight win streak with a 66% KO rate, and was fighting after a gap of 19 days.
Rances Barthelemy stopped John Temple via TKO in the 1st round. Barthelemy improves his record to 7-0 (5 KOs)
On June 21, 2013, a 26-year-old Rances Barthelemy (18-0, 11 KOs) and Fahsai Sakkreerin met in the ring.
Barthelemy came in to the fight on a 18-fight win streak with a 61% KO rate, and was fighting after a gap of 5 months and 17 days.
Rances Barthelemy stopped Fahsai Sakkreerin via KO in the 2nd round. Barthelemy improves his record to 19-0 (12 KOs)
On November 6, 2021, a 35-year-old Rances Barthelemy (28-1-1, 14 KOs) and Gustavo David Vittori met in the ring.
Barthelemy came in to the fight on a 1-fight win streak with a 46% KO rate, and was fighting after a gap of 9 months and 7 days.
Rances Barthelemy stopped Gustavo David Vittori via TKO in the 2nd round. Barthelemy improves his record to 29-1-1 (15 KOs)
On March 26, 2015, a 28-year-old Rances Barthelemy (21-0, 12 KOs) and Angino Perez met in the ring.
Barthelemy came in to the fight on a 21-fight win streak with a 57% KO rate, and was fighting after a gap of 5 months and 22 days.
Rances Barthelemy stopped Angino Perez via TKO in the 2nd round. Barthelemy improves his record to 22-0 (13 KOs)