| WTT Champions Macao Women | 04/19 13:20 | 4 | Meng Chen v Kasumi Ishikawa | L | 3-1 | |
| WTT Champions Macao Women | 04/17 08:00 | 5 |
Nina Mittelham
v
Kasumi Ishikawa |
W | 2-3 | |
| WTT Champions Xinxiang Women | 04/11 12:15 | 4 | Meng Chen v Kasumi Ishikawa | L | 3-0 | |
| WTT Champions Xinxiang Women | 04/10 11:35 | 5 |
Kasumi Ishikawa v
Adriana Diaz
|
W | 3-0 | |
| WTT Singapore Smash Women | 03/16 11:35 | 4 |
Cheonhui Joo
v
Kasumi Ishikawa |
L | 3-1 | |
| WTT Singapore Smash Women | 03/14 06:30 | 5 |
Shan Xiaona
v
Kasumi Ishikawa |
W | 0-3 | |
| WTT Singapore Smash Women | 03/12 13:50 | 6 |
Bruna Takahashi
v
Kasumi Ishikawa |
W | 0-3 | |
| WTT Star Contender Goa Women | 03/02 10:30 | 5 |
Kasumi Ishikawa v
Miwa Harimoto
|
L | 2-3 | |
| Japan T League Women | 02/11 09:50 | - |
Kasumi Ishikawa v
Kotona Okada
|
W | 3-1 | |
| WTT Cup Finals Women | 10/28 11:40 | 3 |
Yingsha Sun
v
Kasumi Ishikawa |
L | 3-0 | |
| WTT Cup Finals Women | 10/27 02:00 | 4 |
Miyuu Kihara
v
Kasumi Ishikawa |
W | 1-3 | |
| WTT Champions Macao Women | 10/22 02:35 | 3 |
Jia Nan Yuan
v
Kasumi Ishikawa |
L | 3-1 |
Kasumi Ishikawa (石川 佳純, Ishikawa Kasumi) (born 23 February 1993) 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.
She is a left-handed inverted rubber shakehand player who primarily uses speedy top-spins and loops in offensive play.