Entrance restricted in tenth rally (7)

I believe the answer is:

enthral

I'm a little stuck... Click here to teach me more about this clue!

'entrance restricted in tenth rally' is the definition.
'enthral' can be an answer for 'entrance' (I've seen this before). I am unsure of the 'restricted in tenth rally' bit.

'in tenth rally' is the wordplay.
'in' says the answer is hidden in the clue.
'ENTHRAL' is hidden in the letters of 'tenth rally'.

Can you help me to learn more?

(Other definitions for enthral that I've seen before include "Hold captive" , "Delight - transport" , "Captivate" , "absorb" , "be captivating?" .)

I've seen this clue in The Daily Mail.

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