Sayyiduna Abdullah bin Abbas (may Allah be pleased with them) narrates that the Prophet Muhammad (peace be upon him) would sometimes pray in the very place where he had engaged in marital relations.
Hadith Referenceصحيح ابن خزيمه / جماع أبواب المواضع التى تجوز الصلاة عليها، والمواضع التى زجر عن الصلاة عليها / 797