If they lose, Estonia would leapfrog them into third place with a win over England on Friday.
Dundee United's defeat at Aberdeen allowed the Saints to leapfrog them in the race for a European place next season.
Faring much better at home are Bordeaux, who beat Rennes 3-0 to leapfrog them into third place.
Worcestershire could leapfrog them with a win - but they need to grab some more Sussex wickets pronto.
The Bengals can tie up a first-round playoff bye with a victory, but defeat would see Denver leapfrog them into the second seed.
On the back of the loss, the Sharks could fall to third, with Canberra a chance to leapfrog them with a win on Sunday over the Wests Tigers.
On Sunday afternoon it was fifth against seventh, Inter travelling to Catania in the knowledge that their opponents could leapfrog them with a victory.
It allowed Luxembourg, 3-0 winners over San Marino thanks to goals by David Turpel, Daniel Sinani and Vincent Thill, to leapfrog them into top spot.
It doesn't help Mr. Romney, either, that all of these states are in the same part of the country as Iowa, Ohio, and Wisconsin, meaning that they are unlikely to leapfrog them and become the tipping-point state on Tuesday.
Australia will leapfrog them if they win the fourth Test in Melbourne after Christmas, a remarkable turnaround after they started the series in fifth, 15 ranking points behind England.
England need to beat the Kiwis by 10 points to leapfrog them into top spot on the ladder and guarantee a place in the November 15 final in Wellington.
