Yui Kamiji

is a Japanese professional wheelchair tennis player. She has won twelve major titles in singles, as well as a Paralympic gold medal at the 2024 Paris Paralympics to complete the career Golden Slam. Furthermore, in singles Kamiji won a silver Paralympic medal at the 2020 Tokyo Games, a bronze medal at the 2016 Rio Games, and twice won the year-end Wheelchair Tennis Masters. In doubles, Kamiji has won 24 major titles, as well as a Paralympic gold medal in 2024 and a bronze in 2021, completing a quadruple career Grand Slam and the career Golden Slam.

Partnering Jordanne Whiley, Kamiji achieved the Grand Slam in doubles in 2014, and also won the Wheelchair Tennis Masters in doubles. In total, she has won 36 major titles, five Paralympic medals, and five Wheelchair Tennis Masters events. Kamiji is currently managed by Avex Group under its Avex Challenged Athletes program.

2013–present Kamiji won singles titles in Iizuka, Daegu, Paris, St Louis, and became the first and so far only non-Dutchwoman to win the tennis Masters title.

Kamiji won doubles titles with Sharon Walraven in Pensacola, Sabine Ellerbrock in Iizuka. Ju-Yeon Park in Daegu, Jordanne Whiley in Paris and the Masters. With Ellerbrock in New York and Whiley at Wimbledon, Kamiji was the runner up.

During the 2014 season Kamiji won singles titles in Melbourne, Kobe and Iizuka. At the Australian Open Kamiji reached her first Grand Slam singles final where she lost to Sabine Ellerbrock. Kamiji followed that up by winning the second Grand Slam tournament of the season at Roland Garros. Whilst partnering Jordanne Whiley during the 2014 season the pair won the Grand Slam in doubles. They finished the year by adding the Masters crown after defeating Louise Hunt and Katharina Krüger in the final. However, despite the absence of van Koot and Griffioen the pair did not go undefeated throughout the tournament as they lost to Marjolein Buis and Michaela Spaanstra during the round robin group stage.

In 2017, Kamiji finished the year as world No 1, and was named ITF Women's Wheelchair World Champion for the second time in her career.

Career statistics

Grand Slam performance timelines

Wheelchair singles

Wheelchair doubles

Grand Slam tournament finals

Wheelchair singles: 32 finals (12 titles, 20 runner-ups)

Wheelchair doubles: 40 (24 titles, 16 runner-ups)