Sivenathi Nontshinga has two losses against two opponents on his boxing record. For a list of Nontshinga's best fights, refer to "Best fights of Sivenathi Nontshinga".
On October 12, 2024 Sivenathi Nontshinga met Masamichi Yabuki in a light-flyweight (IBF) world-title defense fight. Nontshinga was 25 years old and with a record of 13-2 (10), and Yabuki was 32 years old and with a record of 16-4 (15). Nontshinga lost the fight via 9th-round TKO and lost the title.
On November 4, 2023 Sivenathi Nontshinga met Adrian Curiel in a light-flyweight (IBF) world-title defense fight. Nontshinga was 24 years old and with a record of 12-1 (9), and Curiel was 24 years old and with a record of 23-4-1 (4). Nontshinga lost the fight via 2nd-round KO and lost the title.
