Ibn 'Umar (May Allah be pleased with them) reported:
The Prophet (ﷺ) said, "May Allah have mercy on a man who performs four Rak'ah before the 'Asr prayer."[Abu Dawud and At- Tirmidhi]. (RU)
App reference (RU): Book 9, Hadith 130 (RU)
Arabic/English book reference (RU): Book 9, Hadith 1120 (RU)