Only 1 innings has been voluntarily forfeited in 147 years of Test cricket

Only one innings has been voluntarily forfeited in 147 years of Test cricket. South Africa forfeited their second innings after England declared their first innings at 0/0 to go for result in 2000 Centurion Test. The rain had washed out Day 2, 3 and 4. England were set 249-run target on Day 5, which they chased down in 75.1 overs.