Matalib bin Abdullah reports from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that he used to wash each limb of ablution only once, and he attributed this to the Prophet (peace and blessings of Allah be upon him).
Hadith Referenceمسند احمد / ومن مسند بني هاشم / 1889
Hadith Gradingحکم دارالسلام:صحيح، وهذا إسناد ضعيف، المطلب بن عبدالله مدلس وروايته عن ابن عباس مرسلة.