TEHRAN Iran defeated Peru 12-6 in Group H of the 2023 World Aquatics Mens U20 Water Polo Championships on Tuesday.The Persians started the campaign with a 15-13 win over Argentina but lost to Australia 17-3.Iran will play Brazil and South Africa on Wednesday and Thursday, respectively.The competition is being held in Bucharest/Otopeni, Romania from June 10 to 17.