The play-off first legs were played on 12–14 November 1999, while the second legs were played on 16–17 November 1999 and 29 March 2000. Winners of play-off round qualified to the championship played following year in May and June, where Slovakia was chosen to host the fixtures.
2–2 on aggregate, Turkey won on away goals rule.
Spain won 7–1 on aggregate
Slovakia won 4–1 on aggregate
Croatia won 3–2 on aggregate
Czech Republic won 3–1 on aggregate
Netherlands won 4–2 on aggregate
Italy won 3–2 on aggregate
The match was played as a only leg at neutral venue due to the political tensions in Yugoslavia.
References
2000 UEFA European Under-21 Championship qualification play-offs Wikipedia(Text) CC BY-SA