Top seeds began in dominant fashion on the opening days of the Boccia International Sports Federation (BISFed) World Championships in Liverpool.
Paralympic gold medallist David Smith is leading the home charge at the Exhibition Centre in the British city.
He successfully navigated the group stages without conceding a point in the BC1 division.
He dispatched Thai opponent Subin Tipmanee 15-0 before overcoming Bermuda’s Omar Hayward.
“I’m really happy to have not conceded a point so far," the two-time Paralympic champion said.
"I feel as if I have managed the games well and scored when I could along with a watertight defence."
Fellow British home favourite Stephen McGuire beat Russia’s Ivan Frolov 11-2 as he seeks to defend his BC4 title.
Jamie McCowan, the BC3 world number three, won 4-3 against Canada’s Eric Bussiere elsewhere today.
Howon Jeong of South Korea was among others to impress in the BC3 event.
He dispatched home opponent Patrick Wilson 7-3.
Action will continue tomorrow.