Angelo Mathews has testified to police amid claims Sri Lanka players have been approached with an offer of financial reward in return for fixing matches.
Sri Lanka captain Mathews was interviewed by financial crimes investigators on Tuesday, a day after Sri Lanka Cricket (SLC) suspended a bowling coach over a supposed link to an alleged match-fixer.
Anusha Samaranayake was hit with a two-month suspension on Monday due to his apparent association with Gayan Wishvajith, who is under investigation for allegedly approaching several players for match-fixing and has been barred from taking part in Sri Lankan cricket in any capacity.
Earlier this month the Sri Lankan sports ministry reported an alleged approach made to Kusal Perera and another national team player by a net bowler believed to be Wishvajith during West Indies' tour of the country in October to the Financial Crimes Investigation Department.
Speaking outside the police station, Mathews said: "They wanted to know, as the captain, if I knew anything in detail. I answered all the questions.
"We all want this game to be clean. Whoever has done something wrong, we want them brought before court."
Adding that the questions only surrounded match-fixing approaches reported by players, Mathews said: "The cricketers felt really uncomfortable in the last few days because they were the ones who came forward and reported this to the ICC [International Cricket Council] and SLC.