"Our whole camp is happy. Everyone who was up there was rapt, it is the best we have seen him fight," he said. "And the guy he fought was a tough cookie."
Fighters competing in Auckland at the weekend not only had to win their bouts, but prove to the national selectors they could compete on the world stage.
The team heading to China is expected to be named soon.
Mike said his son had been sparring with Commonwealth Games gold medallist David Nyika (Hamilton) during the summer, which had helped him improve.
"That helped heaps. When you spar with good sparring partners it is good for everyone involved. It was not just good for Tyson, but David as well," Mike said.
"This is the best shape I've seen Tyson in, and his whole attitude is really good."
Sykes and Auckram had fought before, during the nationals last year in Invercargill which saw Auckram win a tight contest.
Three Olympic spots will be up for grabs in Sykes' weight division during the Asia/Oceania Olympic qualifying event in China.