Japan's Yui Kamiji missed out on her first Wimbledon wheelchair women's singles title Saturday after losing the final 6-4, 6-2 to Diede de Groot of the Netherlands, while Shingo Kunieda won the final in the men's wheelchair doubles with his partner Gustavo Fernandez of Argentina.

Kamiji, ranked second in the world, has won all of the other three Grand Slam titles. She was making her first final appearance in the singles at the All England Lawn Tennis Club but came short against the top-ranked de Groot, who has now won the tournament four times.

"I don't know why I'm shedding tears so much, which is rare for me," said Kamiji after de Groot, who beat the Japanese at last summer's Tokyo Paralympics final, won her eighth straight Grand Slam title.

"I didn't feel as if she was hitting shots all over me, but there were many occasions I could have done better with my positioning."

Kamiji broke de Groot in the opening game but was broken three times to go down 5-1 in the first set. The 28-year-old clawed her way back to 5-4 but could not stop de Groot from claiming the set.

Another slow start from Kamiji saw the top-ranked, 25-year-old Dutch go 4-0 up in the second set and two breaks from Kamiji did little to change the course of the match.

"I have no conviction that I'm getting closer to her," Kamiji said. "(But) I want to make the most of this experience of playing (the final) here for the upcoming clay and hard court events."

Kunieda, meanwhile, won his doubles final for the fourth time at the tournament and for the first time since 2014. The second-seeded pair of Kunieda and Fernandez beat top-seeded Alfie Hewett and Gordon Reid of Great Britain 6-3, 6-1.