Lisburn's Kurt Walker is through to the quarter-final in the men's featherweight division after a split-decision 4-1 win over gold medal favourite and world champion Mirazizbek Mirzakhalilov.

An incredibly tough fight between the two saw Walker take the better of the opening round, as the pair tested each other on every turn, with Walker delivering some fantastic combos to put the Uzbekistan fighter on the back foot.

Mirzakhalilov was not going down easy though and sprung back in a relentless second round, with Walker defending extremely well and landing some key blows to hold a slight edge going into the last.

A superb third round display from the Irish boxer saw him power through, upping his speed and intensity to tire out Mirzakhalilov, and pushing on to deservedly win the fight.

Walker will be back in the ring on Sunday where he will fight for a medal against Duke Ragan of the USA at 3.30am, Irish time.

Speaking afterwards to RTÉ Sport, Walker spoke about getting the tactics right.

"We knew we had to win the first round, the first two, actually, the coaches gave me the best tactics and I'm just so delighted," he said.

"Be fast, hit first and get out last were those tactics. Hit him more times than he hit me."

Quite simply it was a case of Walker having full confidence that he could cause an upset.

"My confidence was through the roof, there are always doubts in your head before the fight, but the team believed in me. I believed it too and it has happened.

"I knew I was smarter than him and that's enough to win me a fight in most cases. I knew he was going to come on strong but he was very predictable and I was able to read him to my benefit."

After the bout, the 26-year-old revealed that the cuts above both eyes "were scratches".

Looking ahead to Sunday and his quarter-final with Ragan, Walker confidently added: "I'll listen to my coaches, try and get the tactics right, win, and bring a medal back."