Surah Yusuf 12:26

قَالَ هِىَ رَٰوَدَتْنِى عَن نَّفْسِى ۚ وَشَهِدَ شَاهِدٌ مِّنْ أَهْلِهَآ إِن كَانَ قَمِيصُهُۥ قُدَّ مِن قُبُلٍ فَصَدَقَتْ وَهُوَ مِنَ ٱلْكَـٰذِبِينَ

[Joseph] said, "It was she who sought to seduce me." And a witness from her family testified, "If his shirt is torn from the front, then she has told the truth, and he is of the liars.

Translation: Saheeh International

Tafsir

He Joseph said declaring himself innocent of the charge ‘It was she who attempted to seduce me’. And a witness of her own folk testified her paternal cousin — it is reported that he was still a child in the cradle — and he said ‘If his shirt has been torn from the front then she speaks the truth and he is of the liars;

Excerpt from Tafsir al-Jalalayn, commentary on 12:26, via Quran.com. The reader has the full commentary and 9 more tafsirs.