Ken Doherty is through to the last 16 of the Northern Ireland Open after a 4-3 win over Thepchaiya Un-Nooh in Belfast.

The Ranelagh man was trailing for long period of the game, going 2-1 and 3-2 down but battled back to force a deciding frame thanks to a break of 96.

Un-Nooh was 39 points ahead in the final frame but broke down and allowed Doherty in to clinch the win.

He will play his next match tonight against Mark Selby or Luca Brecel.  

Fergal O'Brien was beaten 4-2 by Barry Hawkins this morning.

Mark Allen is in action this afternoon against Scott Donaldson.