The I Cryptic Crossword Please Parse

[Gavmacp]

19d. Recurrent condition on much of course a disaster (6). So answer is fiasco I get the ascot -t bit but not the rest.

[sedge47]

FI is IF (condition) backwards (recurrent).

[frugalfred]

condition = IF, recurrent means reverse it; then, as you say ASCO(T) = a disaster.

[dannyk13]

if(condition) reversed + asco(t)

[Gavmacp]

Thank you all! I do rather struggle with this crossword. Have a nice day!