Kasumi Ishikawa is a retired Japanese table tennis player. A regular member of the Japanese national team, she won a silver medal at the 2012 Summer Olympics, a bronze at the 2016 Summer Olympics, and a silver medal at the 2020 Summer Olympics, in Women's team.
The 2011 World Table Tennis Championships mixed doubles was the 51st edition of the mixed doubles championship.
The 2013 World Table Tennis Championships women's doubles was the 51st edition of the women's doubles championship.
The 2013 World Table Tennis Championships mixed doubles was the 52nd edition of the mixed doubles championship.
The 2015 World Table Tennis Championships mixed doubles was the 53rd edition of the mixed doubles championship.
The 2016 ITTF World Tour Grand Finals was the final competition of the 2016 ITTF World Tour, the International Table Tennis Federation's professional table tennis world tour. It was the 21st edition of the competition, and was held from 8–11 December 2016 in Doha, Qatar.
The 2017 World Table Tennis Championships men's doubles was the 54th edition of the men's doubles championship.
The 2017 World Table Tennis Championships women's doubles was the 53rd edition of the women's doubles championship. Liu Shiwen and Zhu Yuling were the defending champions but decided not to play together this year.
The 2017 ITTF World Tour Grand Finals was the final competition of the 2017 ITTF World Tour, the International Table Tennis Federation's professional table tennis world tour. It was the 22nd edition of the competition, and was held from 14 to 17 December in Astana, Kazakhstan.
The 2018 Hong Kong Open was the fourth event of the 2018 ITTF World Tour. It was the first staging of the event, and took place from 24–27 May at the Queen Elizabeth Stadium in Hong Kong.
The 2018 China Open was the fifth event of the 2018 ITTF World Tour. It was the third of six top-tier Platinum events on the tour, and took place from 31 May to 3 June in Shenzhen, China.
The 2018 Japan Open was the sixth event of the 2018 ITTF World Tour. It took place from 8–10 June in Kitakyushu, Japan.
The 2018 Korea Open was the seventh event of the 2018 ITTF World Tour. The event was organised by the Korea Table Tennis Association, under the authority of the International Table Tennis Federation (ITTF). It was the fourth of six top-tier Platinum events on the tour, and took place from 19–22 July in Daejeon, South Korea.
The 2018 Australian Open was the eighth event of the 2018 ITTF World Tour. The event was organised by ITTF-Oceania, under the authority of the International Table Tennis Federation (ITTF). It was the fifth of six top-tier Platinum events on the tour, and took place from 26–29 July in Geelong, Australia.
The 2018 Bulgaria Open was the ninth event of the 2018 ITTF World Tour. The event was organised by the Bulgarian Table Tennis Federation, under the authority of the International Table Tennis Federation (ITTF). It took place from 16–19 August in Panagyurishte, Bulgaria.
The 2018 Swedish Open was the eleventh event of the 2018 ITTF World Tour. The event was organised by the Swedish Table Tennis Association, under the authority of the International Table Tennis Federation (ITTF). It took place from 1–4 November in Stockholm, Sweden.
The 2018 Austrian Open was the twelfth event of the 2018 ITTF World Tour. The event was organised by the Austrian Table Tennis Association, under the authority of the International Table Tennis Federation (ITTF). It was the last Platinum event on the tour, and took place from 8–11 November in Linz, Austria.
The 2018 ITTF World Tour Grand Finals was the final competition of the 2018 ITTF World Tour, the International Table Tennis Federation's professional table tennis world tour. It was the 23rd edition of the competition, and was held from 13–16 December in Incheon, South Korea.
The mixed doubles competition of the 2019 World Table Tennis Championships was held from 22 to 26 April 2019. Maharu Yoshimura and Kasumi Ishikawa were the defending champions. Ishikawa initially teamed up with Tomokazu Harimoto, but Harimoto was replaced by Yoshimura due to an injury.
The 2019 ITTF World Tour Grand Finals was the final competition of the 2019 ITTF World Tour, the International Table Tennis Federation's professional table tennis world tour. It was the 24th edition of the competition, and was held from 12–15 December in Zhengzhou, China.
