WTA roundup: Elena Rybakina breezes to glory in Stuttgart

Fourth-seeded Elena Rybakina captured her third title of the year on Sunday following a decisive 6-2, 6-2 win over Ukraine's Marta Kostyuk in the final of the Porsche Tennis Grand Prix in Stuttgart, Germany.

Rybakina of Kazakhstan broke Kostyuk's serve in the first game and never looked back. The 24-year-old won the first set in 30 minutes and took advantage of six double faults to capture the match in 69 minutes.

Rybakina, who holds the lead in outright titles this season, also won at the Brisbane International and the Abu Dhabi Open.

Kostyuk, 21, came into the match having defeated Top 10 players Zheng Qinwen of China, Coco Gauff and Marketa Vondrousova of the Czech Republic.

Open Capfinances Rouen Metropole

Sixth-seeded Sloane Stephens won her eighth WTA Tour title with a 6-1, 2-6, 6-2 victory over Magda Linette of Poland in Rouen, France.

Stephens won six straight games to close the first set and overcame a second-set stumble to dispatch Linette in two hours and 10 minutes.

Stephens won 81.7 percent of her first serve points and converted six of her 15 break points.