The Messenger of Allah ﷺ forbade singling out Friday for fasting.
حدثنا هوذة بن خليفة قال حدثني عوف عن محمد بن سيرين
نهى رسول الله ﷺ أن يفرد يوم الجمعة بصوم
Its isnad is sahih, it was mentioned shortly before. It is in Muslim 2/801, no. 1144, in the Book of Fasting.