2025 May 12 - May 18 Z. Diyas View Score Score 2024 May 13 - May 19 E. Bektas View Score Score 2023 May 15 - May 21 E. Bektas View Score Score 2019 May 14 - May 19 R. Marino View Score Score 2018 May 15 - May 20 A. Shimizu View Score Score 2017 May 16 - May 21 L. Robson View Score Score 2016 May 16 - May 22 K. Okamura View Score Score 2015 May 11 - May 17 N. Hibino 2014 May 12 - May 18 Q. Wang 2013 May 13 - May 19 O. Jabeur 2012 May 14 - May 20 S. Zheng 2011 May 9 - May 15 R. Fujiwara 2010 May 10 - May 16 K. Pliskova 2009 May 11 - May 17 K. Lykina 2008 May 12 - May 18 K. Chang 2007 Jul 17 - Jul 22 A. Morita 2006 Jul 17 - Jul 23 L. Chan 2005 Jul 19 - Jul 24 S. Hsieh
2025 May 12 - May 18 M. Kobori A. Shimizu View Score Score 2024 May 13 - May 19 S. Grey M. Brooks View Score Score 2023 May 15 - May 21 Y. Wang T. Gibson View Score Score 2019 May 14 - May 19 H. Kuwata E. Shibahara View Score Score 2018 May 15 - May 20 A. Muhammad N. Broady View Score Score 2017 May 16 - May 21 T. Patterson K. Dunne View Score Score 2016 May 16 - May 22 K. Lykina C. Hsu View Score Score 2015 May 11 - May 17 M. Ninomiya R. Sawayanagi 2014 May 12 - May 18 J. Wolfe A. Rodionova 2013 May 13 - May 19 K. Hisami M. Tanaka 2012 May 14 - May 20 S. Sun X. Han 2011 May 9 - May 15 A. Yonemura A. Oka 2010 May 10 - May 16 S. Sun Y. Xu 2009 May 11 - May 17 S. Sun J. Lu 2008 May 12 - May 18 I. Hwang K. Chang 2007 Jul 17 - Jul 22 T. Sugano A. Oka 2006 Jul 17 - Jul 23 C. Chuang L. Chan 2005 Jul 19 - Jul 24 S. Hsieh C. Chan