Judge Dave Sutherland had the bout 114-114 even, while judges Pat Russell and Gerald Ritter had Smith up 115-113, 115-112 respectively.
The three judges unanimously agreed on nine of the twelve rounds, with Smith ahead five rounds to four.
Round one (Vlasov), round four (Smith), round six (Vlasov), round seven (Smith), and round eight (Smith). All three gave Vlasov the ninth and tenth rounds. All three gave Smith the final two rounds, with Ritter giving Smith a 10-8 in round eleven.