Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:8089 – Abū al-Ḥusayn b. Bishrān > Ismāʿīl al-Ṣaffār > al-Ḥasan b. ʿAlī b. ʿAffān > Ibn Numayr > ʿUbaydullāh b. ʿUmar > Nāfiʿ > ʿAbdullāh b. ʿUmar

[Machine] He disliked facing and directly engaging with the fasting person.  

البيهقي:٨٠٨٩ – أَخْبَرَنَا أَبُو الْحُسَيْنِ بْنُ بِشْرَانَ أنبأ إِسْمَاعِيلُ الصَّفَّارُ ثنا الْحَسَنُ بْنُ عَلِيِّ بْنِ عَفَّانَ ثنا ابْنُ نُمَيْرٍ عَنْ عُبَيْدِ اللهِ بْنِ عُمَرَ عَنْ نَافِعٍ عَنْ عَبْدِ اللهِ بْنِ عُمَرَ

أَنَّهُ كَانَ يَكْرَهُ الْقُبْلَةَ وَالْمُبَاشَرَةَ لِلصَّائِمِ  

See similar narrations below:

Collected by Mālik
malik:18-22 – Mālik > Nāfiʿ

Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to forbid kissing and fondling for people who were fasting .  

مالك:١٨-٢٢ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنْ نَافِعٍ

أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ كَانَ يَنْهَى عَنِ الْقُبْلَةِ وَالْمُبَاشَرَةِ لِلصَّائِمِ