If Europa League winners Chelsea beat Everton, they will secure third place and end the prospect of a May 26 play-off with Arsenal to determine who claims the final automatic qualifying place for the Champions League.
A deciding contest could be required if the Blues, the 2012 Champions League winners, and the Gunners, who play at Newcastle, finish equal on points, goal difference and goals scored.
"We have to approach the day thinking about winning," Benitez said.
"We have to consider all the scenarios. The first one is we want to win, so I don't expect any draw - I expect we can win.
"The second one is if Arsenal win."
Tottenham are also in the mix, but, due to their vastly inferior goal difference, it would take two miraculous results for Spurs to overtake Chelsea, whom they trail by three points.
"Tottenham and Arsenal both, for me, will try to win," Benitez said.
"They play for something really, really important and then it will be different for Sunderland and Newcastle. [But] still they [Sunderland and Newcastle] are professionals and they will try to win."
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