أحسن الله إليكم السلام عليكم ورحمة الله وبركاته Ustadh, if someone does not remember whether they prayed a salah or not, should they pray qada’ or assume that they prayed? جزاك الله خيرًا وبارك الله فيكم

Ustadh AbdulAziz al-Haqqan
If they don't have waswas, then the asl is that they didn't pray it and have to do pray it.