4  Boxes at the start of each round getting more spaced out (7)

 8  Copy flightless bird no longer living (7)

 9  A number of hardline reserves initially in support (5)

10 Disastrous pitch as actor stumbles (12)

12 Throws fish into ship (6)

13 Reconcile with nature (4,2)

16 Peer, perhaps, is annoyed on seat in front of Queen? (12)

18 Hysteria over article in photo (5)

20 Small number with love letter from Greece (7)

21 Walked horse around very quietly (7)

22 Reportedly runs away from insects (5)

 1  Rips off coats (7)

 2  Big chain earning amount that's crazy (8,5)

 3  Celebrity sings badly with Leo and others (4,5)

 4  Controls cattle (6)

 5  Back of boat ... front missing (3)

 6  Extra cost of fill-up after vehicle maintenance (7,6)

 7  Eggs went up in price, we hear (4)

11 Accuser offers simple argument (9)

14 They have some issue (7)

15 Overseas or a bad manoeuvre (6)

17 Work in shop usually (4)

19 Limit speed losing energy on the way up (3)