Pistorius was sentenced to 13 years and five months in prison for in 2017, four years after he shot and killed Reeva Steenkamp in their home, claiming he mistook her for an intruder.
A defense lawyer called the track star a "broken man" and said Pistorius has made a "series of enemies" since he killed his girlfriend in 2013. The athlete faces a minimum of 15 years for murder.
The South African double-amputee sprinter nicknamed the "Blade Runner" was convicted of killing his girlfriend in their home in 2013. He will be under house arrest.
South African Judge Thokozile Masipa, who has yet to render her final verdict in the jury-less trial, says the prosecution failed to prove premeditated murder.