Naruto would win. Minato cannot take the fox's chakra from Naruto unless he uses the reaper death seal, which would kill Minato. This would also only seal half of the fox's chakra, which is evident when he sealed the fox the first time. This would leave Naruto with half power and a dead Minato. If you think that reaper death seal would seal the rest of the fox due to half of its chakra already being sealed then i have an argument for that as well. The fox's chakra recovered over the years, just like anybody else would recover chakra. That is why if you kill a tailed beast, it just revives. Its chakra just reforms and grows back to its original state.