What does Islam say about extramarital sex?

**Types of sexual relationships,** 1. Sexual relationship between unmarried male and female. 2. Sexual relationship between a married male and an unmarried female. 3. Sexual relationship between an unmarried male and a married female. 4. Sexual relationship between married a male and a female who are not married themselves. **I have two questions,** 1. What are the implications according to Islamic Law? (I need the precise ruling) 2. What are the implications on the day of judgment? (Add precise Quranic verses) **P.S.** Kindly, keep the body of the answer concise. If you add any reference, adding a hyperlink would be enough. Don't copy-paste Quranic verses.