C2=
=IF($B2="HEADS WON",IF($B2=$B1,C1,COUNTIF($B2:INDEX($B2:$B$20,IFERROR(MATCH(0,INDEX(($B2:$B$20=$B2)+0,0),0),MAX(INDEX(ROW($B$2:$B$20),0))-ROW($B2)+1)),$B2)),"")
D2
=IF($B2="TAILS WON",IF($B2=$B1,D1,COUNTIF($B2:INDEX($B2:$B$20,IFERROR(MATCH(0,INDEX(($B2:$B$20=$B2)+0,0),0),MAX(INDEX(ROW($B$2:$B$20),0))-ROW($B2)+1)),$B2)),"")
E2
=IF($B2="EVENS WON",IF($B2=$B1,E1,COUNTIF($B2:INDEX($B2:$B$20,IFERROR(MATCH(0,INDEX(($B2:$B$20=$B2)+0,0),0),MAX(INDEX(ROW($B$2:$B$20),0))-ROW($B2)+1)),$B2)),"")
Try this and copy towards down
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