Most consecutive series wins
Team Series Mat Won Lost Series
West Indies Young Cricketers 4 3 2 0 England Young Cricketers in West Indies Youth Test Series, 1979/80
3 2 0 West Indies Young Cricketers in England Youth Test Series, 1982
3 2 0 England Young Cricketers in West Indies Youth Test Series, 1984/85
West Indies Under-19s 1 1 0 West Indies Under-19s in Australia Youth Test Series, 1987/88
India Under-19s 4 2 2 0 India Under-19s in England Youth Test Series, 2017
2 2 0 India Under-19s in Sri Lanka Youth Test Series, 2018
2 2 0 South Africa Under-19s in India Youth Test Series, 2018/19
2 2 0 Australia Under-19s in India Youth Test Series, 2024/25
Australia Young Cricketers 3 3 2 1 Australia Young Cricketers in England Youth Test Series, 1983
Australia Under-19s 3 1 0 Sri Lanka Under-19s in Australia Youth Test Series, 1983/84
3 1 0 Australia Under-19s in India Youth Test Series, 1984/85
Australia Under-19s 3 3 2 0 New Zealand Young Cricketers in Australia Youth Test Series, 1988/89
Australia Young Cricketers 3 1 0 England Young Cricketers in Australia Youth Test Series, 1989/90
3 2 0 Australia Young Cricketers in West Indies Youth Test Series, 1990
India Under-19s 3 4 1 0 India Under-19s in Pakistan Youth Test Series, 1988/89
4 1 0 Pakistan Under-19s in India Youth Test Series, 1989/90
2 1 0 New Zealand Under-19s in India Youth Test Series, 1991/92
India Under-19s 3 3 3 0 England Under-19s in India Youth Test Series, 2004/05
3 1 0 India Under-19s in England Youth Test Series, 2006
2 2 0 India Under-19s in Pakistan Youth Test Series, 2006/07

* indicates that the sequence is ongoing

One-off Tests are included as series, and tournaments with more than two teams are excluded

Records include the following recent matches:
Sri Lanka Under-19s v India Under-19s at Colombo (RPS), 2nd Youth Test, Jul 20-23, 2026 [Youth Test # 311]
England Under-19s v South Africa Under-19s at Hove, 2nd Youth Test, Jul 17-20, 2026 [Youth Test # 310]
Sri Lanka Under-19s v India Under-19s at Galle, 1st Youth Test, Jul 13-16, 2026 [Youth Test # 309]