Sachie Ishizu
Sachie Ishizu is a former Japanese tennis player.
Tennis career
She was the runner-up in the girls' singles event of the 2010 Wimbledon Championships and reached a highest ranking of No. 5 on the ITF Junior Circuit. Following her junior career, she chose to attend the University of Tsukuba but decided in 2013 to take a leave of absence to focus on tennis and spend time training in the United States. She is coached by her father, Yasuhiko Ishizu.Ishizu participated at the 2013 Summer Universiade in Kazan winning the Gold medal in the singles and the team competition.
ITF Circuit finals
Singles 13 (9–4)
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
| Winner | 1. | 31 August 2008 | Saitama, Japan | Hard |  Hwang I-hsuan | 6–2, 6–2 |
| Runner-up | 1. | 12 July 2009 | Tokyo, Japan | Carpet |  Misaki Doi | 1–6, 4–6 |
| Runner-up | 2. | 22 August 2009 | Nonthaburi, Thailand | Hard |  Zhang Ling | 3–6, 5–7 |
| Winner | 2. | 30 August 2009 | Saitama, Japan | Hard | Shiho Akita | 6–3, 6–4 |
| Winner | 3. | 27 March 2010 | Kofu, Japan | Hard | Akiko Yonemura | 1–6, 6–1, 6–0 |
| Winner | 4. | 25 April 2010 | Mie, Japan | Carpet | Yumi Nakano | 6–0, 6–4 |
| Winner | 5. | 6 June 2010 | Komoro, Japan | Clay | Miyabi Inoue | 6–0, 6–1 |
| Winner | 6. | 1 May 2011 | Gifu, Japan | Hard |  Emily Webley-Smith | 6–1, 6–3 |
| Runner-up | 3. | 29 May 2011 | Niigata, Japan | Hard | Erika Sema | 6–7, 4–6 |
| Runner-up | 4. | 9 July 2011 | Pattaya, Thailand | Hard | Akiko Omae | 5–7, 2–6 |
| Winner | 7. | 12 January 2013 | Hong Kong | Hard |  Wen Xin | 2–6, 6–1, 6–3 |
| Winner | 8. | 10 February 2013 | Rancho Mirage, United States | Hard |  Julie Coin | 6–3, 7–6 |
| Winner | 9. | 12 September 2015 | Kyoto, Japan | Hard | Yurina Koshino | 3–6, 6–1, 6–1 |
Doubles: 4 (1–3)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Runner-up | 1. | 24 December 2010 | Pune, India | Hard |  Anna Shkudun |  Alexandra Panova Nina Bratchikova | 3–6, 6–7 |
| Runner-up | 2. | 23 November 2012 | Temuco, Chile | Clay |  Daniela Schippers |  Victoria Bosio  Daniela Seguel | 4–6, 2–6 |
| Winner | 1. | 25 May 2013 | Karuizawa, Japan | Grass | Shiho Akita | Erika Takao Miki Miyamura | 7–5, 7–6 |
| Runner-up | 3. | 22 June 2013 | Buffalo, United States | Clay |  Denise Starr | Emily Harman Alexandra Mueller | 6–4, 3–6, |