Rugby Europe Conference Two South title rivals Serbia and Bulgaria are the big movers in the World Rugby Rankings after both teams enjoyed victories against higher-ranked opposition on a weekend when Sweden also won in Conference 1 North.

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Fly-half Nikola Stankovic scored a brace of tries and kicked a penalty and a conversion in a 35-27 win for Serbia against Slovenia, a side ranked 19 places higher than them before kick-off. Serbia's win resulted in a 2.6-rating point swing in their favour, closing the gap between the teams to just 10 places with Serbia up four to 81st and Slovenia down five to 71st.

The victory also brings Serbia to within two points of Bulgaria at the top of the Conference 2 South table. While Bulgaria concluded their campaign with a 41-20 victory at home to Andorra, Serbia still have a game to play – away to Andorra next Saturday.

Full-back Ivayilo Ivanov was the hat-trick hero for Bulgaria in a win that saw them pick up a fraction under two rating points. Bulgaria jump five places to 86th with Andorra falling to 78th.

The Conference 1 North title race has also gone down to the wire with Sweden setting up what is effectively a winner-takes-all encounter against Ukraine in Odessa next Sunday following a 36-27 win at home to Hungary.

Fly-half Conor Murphy and right-wing Axel Kalling-Smith chipped in with two tries apiece as the Swedes maintained their unblemished record this season.

They will travel east holding a three-point lead over a Ukrainian side that is still seven places higher than them in the rankings in 40th, as Sweden's win over Hungary was not accompanied by any improvement in their position.