BUDAPEST, Hungary -- Alexandra Patskevich and Svetlana Kolesnichenko earned Russia its third gold medal of the world swimming championships by winning the women's duet technical synchronized swimming title Sunday.
The Russian pair earned a total of 94.0775 points to edge Chinese twins Jiang Wenwen and Jiang Tingting by 0.974 points.
Yelyzaveta Yakhno and Anna Voloshyna claimed the bronze for Ukraine.
Kolesnichenko, who won the solo technical title Saturday for her first gold in an individual event, claimed her 14th gold overall at the worlds, equaling Anastasia Davydova's tally. Only compatriots Svetlana Romashina (22) and Natalia Ishchenko (20) have more.
Aurelie Muller of France defended her 10K open water swimming title, making up for her disappointment at the 2016 Olympics, where she was disqualified and stripped of her silver medal for colliding with Italy's Rachele Bruni at the end.
Muller finished in 2 hours and 13.70 seconds, beating Samantha Arevalo of Ecuador by 3.30 seconds, to make it two golds for France from two open water races after Marc-Antoine Olivier's men's 5K title the day before.
Italy's Arianna Bridi and Brazil's Marcela Ana Cunha shared bronze. Both were 3.50 behind.
The open water swimming competition is taking place at Balatonfured on Lake Balaton, some 80 miles southwest of Budapest.
China won both diving finals Sunday, with Peng Jianfeng clinching the men's 1-meter springboard before Ren Qian and Si Yajie took gold in the women's 10-meter synchronized event.
Peng won a sixth straight title for China in the men's 1-meter springboard. He led from the first round and finished with a forward 2½ somersaults 1 twist pike in the sixth for a total of 448.40 points, edging teammate He Chao by 1.20 points.
Italy's Giovanni Tocci claimed bronze with 444.25, ahead of Germany's Patrick Hausding and American Mike Hixon, who won bronze in 2015.
Peng's victory ensured Chinese divers have won nine of the 12 men's 1-meter springboard titles at the worlds. Despite winning, Peng was critical of his performance in the final two rounds.
"My movements in the fourth round were my very best, so after that I lost my spirit, I took it a bit too easy. That's why I didn't get the level [I wanted]," Peng said. "I didn't have the real feeling I wished to have, but finally I was able to get the result I wanted."
Ren -- who won the mixed 10-meter synchronized diving title with Lian Junjie the day before -- and Si led from the third round as China won the event for the ninth straight time. They finished with the best back 2½ somersaults 1½ twists pike in the fifth, earning a total of 352.56 points and defeating North Korea's Kim Mi-rae and Kim Kuk-hyang by 16.08 points.
Pandelela Pamg and Cheong Jun Hoong of Malaysia claimed the bronze, ahead of Canada's Caeli McKay and Meaghan Benfeito.
In water polo, the United States began the defense of its women's water polo title with a 24-2 rout of South Africa.
Italy defeated Canada 10-4, and China began its campaign with an 11-4 victory over Brazil in Group A. Spain enjoyed a 10-2 win over New Zealand.
The Netherlands, 2015 silver medalist, defeated France 17-2 in Group C, where host Hungary beat Japan 20-11.
In Group D, Australia defeated Kazakhstan 16-4. and Russia had a 9-7 win over Greece.