His career highlight was a fight against Wladimir Klitschko in 2014, for the WBA (Super), IBF, WBO, IBO, The Ring magazine and lineal heavyweight titles.
In New Zealand, Leapai attended Owairaka Primary School in Mt Albert and played rugby league for Marist Saints, as did his one-time sparring partner Sonny Bill Williams.
[3] Dan Rafael for ESPN.com reported on 3 February 2014 that "Heavyweight champion Wladimir Klitschko will make his 16th title defense when he faces Alex Leapai, one of his mandatory challengers, on 26 April in at the König-Pilsener-Arena in Oberhausen, Germany, as K2 Promotions announced Monday.
[6] Vladmir's brother Vitali Klitschko was preparing to run for the Ukrainian presidency in looming May elections and the 37-year-old title holder admitted boxing was second in his mind to the political upheaval in his homeland.
[9] Klitschko retained his IBF, WBA, WBO and IBO championship belts and used his height and reach advantage to control the fight with Leapai.
[11] On two weeks notice, Alex Leapai took a fight against former WBO champion Joseph Parker (boxer) after his deal with Eric Molina fell through during the signing stages.
[2] In 2005, Leapai spent six months in Queensland's Woodford Correctional Centre on a grievous bodily harm charge after attacking two bouncers.