It is narrated from Zayd bin Wahb that Sayyiduna Ali (may Allah be pleased with him) urinated while standing, then performed ablution and wiped over his sandals.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1364
Hadith Gradingمحدثین:صحيح لغيرهٖ
Hadith Takhrij«صحيح لغيرهٖ۔ أخرجه ابن أبي شيبة 1995»