Junior world champion Arteni-Fintinariu and his Romanian team-mate won the opening semi-final in 6min 40.990sec at the Sea Forest Waterway course.

The Romanian duo finished ahead of Victor Toston Lamm and Gregoire Charles of France, who crossed the line in 6:43.820.

Belgium's Henri Steyaert and Florian Chalmet did enough for third, claiming the last place in the final from the race in 6:49.760.

Italy’s Achille Benazzo and Alessandro Bonamoneta earned a narrow victory in a hard-fought second semi-final.

The Italian crew completed the course in 6:42.120, edging out Germany’s Kasper Virnekaes and Tom Tewes, who clocked 6:42.280.

Croatia’s Ivan Vuković and Karlo Borkovic finished adrift of the leading two boats but comfortably in front of the rest of the field to book their place in the final in 6:46.740.

Hairong Zhang and Peibing Zhang produced a dominant performance for China to top the standings in the first women's double sculls semi-final.

The Chinese duo clocked 7:09.410, nearly three seconds faster than nearest challengers Jetter Prehm and Judith Guhse of Germany.

Evangelia Fragkou and Evangelia Anastasiadou of Greece claimed third place in 7:14.120.

Isabel van Opzeeland of The Netherlands continued her impressive showing from the heats by winning the first semi-final in the women's single sculls.

Van Opzeeland emerged victorious from a close battle with Alexandra Foester of Germany to triumph in 7:46.280.

The duo were followed into the final from the race by Canada's Abigail Dent.

In the men's single sculls, Ivan Brynza of Belarus posted the quickest time to progress to the final.

Brynza clocked 6:56.650 to win the second semi-final.

The Championships, part of the "Ready Steady Tokyo" test event series for the 2020 Olympics and Paralympics, are due to conclude with finals tomorrow.