Japan: Sapporo - Singles - Main
1/16-finals Sasai M. Koyama K. 0:2 (3:6, 3:6) details 26.06.2013
Japan: Tokyo-Akishima - Singles - Main
1/8-finals Kibi Y. Sasai M. 2:0 (7:5, 6:1) details 20.06.2013
1/16-finals Sasai M. Tamura K. 2:1 (7:6, 4:6, 6:2) details 18.06.2013
Japan: Karuizawa - Singles - Main
1/8-finals Sasai M. Ito Y. 0:2 (3:6, 2:6) details 12.06.2013
1/16-finals Miyazaki M. Sasai M. 0:2 (3:6, 4:6) details 10.06.2013
Japan: Tsukuba - Singles - Main
1/8-finals Kim C. Sasai M. 2:0 (6:4, 6:1) details 04.04.2013
1/16-finals Sasai M. Kishi R. 2:0 (6:2, 6:4) details 03.04.2013
Japan: Kofu - Singles - Main
1/16-finals Sasai M. Katayama S. 0:2 (2:6, 4:6) details 27.03.2013
Japan: Nishi Tokyo - Singles - Main
1/16-finals Sasai M. Sekiguchi S. 0:2 (3:6, 2:6) details 18.03.2013
Japan: Nishi-Tama - Singles - Main
1/8-finals Sasai M. Matsui T. 0:2 (2:6, 4:6) details 14.03.2013
1/16-finals Sasai M. Niki T. 2:0 (6:2, 6:2) details 12.03.2013
Japan: Oarai - Singles - Main
1/8-finals Sato B. Sasai M. 2:1 (6:3, 6:7, 6:2) details 18.10.2012
1/16-finals Sasai M. Kawasaki H. 2:0 (6:1, 6:2) details 16.10.2012
Japan: Kashiwa - Singles - Main
1/16-finals Sasai M. Kikuchi G. 0:2 (4:6, 1:6) details 09.10.2012
Japan: Sapporo - Singles - Main
1/8-finals Takeshima S. Sasai M. 2:0 (6:4, 6:3) details 28.06.2012
1/16-finals Sasai M. Ehara H. RET. details 27.06.2012
Japan: Tokyo-Akishima - Singles - Main
1/16-finals El M. A. Sasai M. 2:1 (4:6, 7:5, 6:4) details 20.06.2012
Japan: Nishi Tokyo - Singles - Main
1/8-finals Niki T. Sasai M. 2:1 (4:6, 6:4, 6:4) details 21.03.2012
1/16-finals Peng H. Sasai M. 0:2 (0:6, 0:6) details 20.03.2012