Solution to Hoping for a Hat-trick? by Yimin

 Hoping for a Hat-trick? by Yimin SOLUTION

Initial letters of extra words in clue order spell SERTURNER, NIXDORF and LIBORIUS. The first two are famous sons of Paderborn in Germany.   The third is buried in Paderborn Cathedral, a notable feature of which is the Window of Three Hares – each animal has two ears, even though only three ears in total are shown.   

Across
1. [STEROID] FA R(educe) C(ompetitors’) E(valuations)
5. [EMMANUEL] (RENEW with NI for E)<
10. [REMAIN] PE A + C(atc)H
11. Y(ogur)T in RHA
12. [TREATMENT] T RASH
14. Unclued
15. [UNVEILS] (oss)E(tia) in GE
16. (C)ALM before E
19. [READY] SPA(N) HEE(L)
20. [NEBUCHADNEZZAR] PAIR + ROYAL
23. [EMERALD] AY in (GOLD)*
26. [RULES] (in)S(tr)U(ct)F(at)I(ma)
28. SMARM - SM
29. [NIGHT-TIME] HEM (POI)> I C(ricket)
32.  Unclued
33.  Unclued
34. [INTENDED] REN (= run, formerly) round JO
35. [X-RAY] AD on NAT + (spin)E
36. Double definition

Down
1. [DAYS] FAT over HAW<
2. [ONCE] AP R I L(audanum)
3. [ROMEO] R + EAN
4. (CLOTHEAREDTEEN – (TALENTED)*)*
5. [FROCKS] W + HEWS
6. [LEVITE] KRI<
7. LYN(X)< GHAUT - T
8. [INITIALLY] hidden
9. [BOND] NE for R in RARE
13. [ORDER] SO< round FAY
17. [ROMANCE] M AY “MOURN” / [ROMANTIC] M A Y MORN
18. FREIGHT – FR(y)
21. [INDEED] (O TIBER)* (and touch of &lit, OBITER being Latin)
22. [USES] (ICE in NT) Y
23. D A CHA (another touch of &lit)
24. [SOLUTION’S] (r)O(s)A(n)D(b)R(i)A(n)*
25. (H)OMBRE
27. FIE ND (North Dakota)
30. PR (n)O(w) W
31. Double definition