Bound to have equal scores (4)
I believe the answer is:
tied
This clue is a double definition.
'bound' is the first definition.
(similar in meaning)
'have equal scores' is the second definition.
(I've seen this before)
'to' is the link.
(Other definitions for tied that I've seen before include "Drew; bound" , "(Of pub) brewery-owned" , "limited" , "Fastened with string" , "Bound to diet" .)