The follow-on occurs only in those forms of cricket where each team no...
wikipedia - 18 Dec 2021The follow-on occurs only in those forms of cricket where each team normally bats twice: notably in domestic first class cricket and international Test cricket. In these forms of cricket, a team cannot win a match unless at least three innings have been completed. If fewer than three innings are completed by the scheduled end of play, the result of the match can only be a draw.