On February 16, 2024, Sivenathi Nontshinga and Adrian Curiel met again in an immediate rematch.
Nontshinga came in to the fight on a 1-fight losing streak with a 69% KO rate, and was fighting after a gap of 3 months and 12 days. Curiel was on a 2-fight win streak with a 17% KO rate, and fighting after a layoff of 3 months and 12 days.
In the rematch, Sivenathi Nontshinga stopped the champion via TKO in the 10th round of the 12-round world-title fight, and is crowned the new IBF light-flyweight champion. Nontshinga improves his record to 13-1 (10 KOs), while Curiel adds a loss to his record at 24-5-1.
On July 2, 2023, the 24-year-old IBF light-flyweight world champion, Sivenathi Nontshinga (11-0, 9 KOs), faced Regie Suganob, in a title defense fight.
Nontshinga came in to the fight on a 11-fight win streak with a 81% KO rate, and was fighting after a gap of 9 months and 29 days.
Sivenathi Nontshinga defeated Regie Suganob via unanimous decision and successfully defended his IBF light-flyweight title. Nontshinga improves his record to 12-0
On September 3, 2022, 23-year-old Sivenathi Nontshinga (10-0, 9 KOs) and Hector Flores fought for the vacant IBF light-flyweight title.
Nontshinga came in to the fight on a 10-fight win streak with a 90% KO rate, and was fighting after a gap of 1 year, 4 months, and 10 days.
Sivenathi Nontshinga defeated Hector Flores via split decision . Nontshinga improves his record to 11-0
On April 7, 2019, a 20-year-old Sivenathi Nontshinga (6-0, 6 KOs) and Adam Yahaya met in the ring in a light-flyweight bout.
Nontshinga came in to the fight on a 6-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 29 days.
Sivenathi Nontshinga stopped Adam Yahaya via KO in the 1st round. Nontshinga improves his record to 7-0 (7 KOs)
On March 8, 2020, a 21-year-old Sivenathi Nontshinga (8-0, 8 KOs) and Ivan Soriano met in the ring in a light-flyweight bout.
Nontshinga came in to the fight on a 8-fight win streak with a 100% KO rate, and was fighting after a gap of 7 months and 9 days.
Sivenathi Nontshinga stopped Ivan Soriano via KO in the 5th round. Nontshinga improves his record to 9-0 (9 KOs)
On July 28, 2019, a 20-year-old Sivenathi Nontshinga (7-0, 7 KOs) and Siyabonga Siyo met in the ring in a light-flyweight bout.
Nontshinga came in to the fight on a 7-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 21 days.
Sivenathi Nontshinga stopped Siyabonga Siyo via TKO in the 9th round. Nontshinga improves his record to 8-0 (8 KOs)
On October 21, 2018, a 19-year-old Sivenathi Nontshinga (4-0, 4 KOs) and Tisetso Modisadife met in the ring in a light-flyweight bout.
Nontshinga came in to the fight on a 4-fight win streak with a 100% KO rate, and was fighting after a gap of 2 months and 22 days.
Sivenathi Nontshinga stopped Tisetso Modisadife via TKO in the 9th round. Nontshinga improves his record to 5-0 (5 KOs)
On April 24, 2021, a 22-year-old Sivenathi Nontshinga (9-0, 9 KOs) and Christian Araneta met in the ring.
Nontshinga came in to the fight on a 9-fight win streak with a 100% KO rate, and was fighting after a gap of 1 year, 1 month, and 16 days.
Sivenathi Nontshinga defeated Christian Araneta via unanimous decision in the 12-round fight. Nontshinga improves his record to 10-0
On December 10, 2017, a 19-year-old Sivenathi Nontshinga (1-0, 1 KO) and Sive Jongwana met in the ring.
Nontshinga came in to the fight on a 1-fight win streak with a 100% KO rate, and was fighting after a gap of 4 months and 10 days.
Sivenathi Nontshinga stopped Sive Jongwana via TKO in the 2nd round. Nontshinga improves his record to 2-0 (2 KOs)
On October 12, 2024, the 25-year-old IBF light-flyweight world champion, Sivenathi Nontshinga (13-1, 10 KOs), faced a 32-year-old Japanese boxer Masamichi Yabuki (16-4, 15 KOs), in a title defense fight.
Nontshinga came in to the fight on a 1-fight win streak with a 71% KO rate, and was fighting after a gap of 7 months and 26 days. Yabuki was on a 3-fight win streak with a 75% KO rate, and fighting after a layoff of 6 months and 26 days.
Masamichi Yabuki stopped the champion via TKO in the 9th round of the 12-round world-title fight, and is crowned the new IBF light-flyweight champion. Yabuki improves his record to 17-4 (16 KOs), while Nontshinga adds a loss to his record at 13-2.