Nonthaburi, Simples W-WITF-THA-09A 07/09 04:25 25 Ushijima, Risa v Nina Stadler 6-3,7-6
ITF Women Nonthaburi Qual 07/08 02:00 54 Claudia Hoste Ferrer v Ushijima, Risa 2-6,1-6
ITF Women Nonthaburi Qual 07/07 05:40 54 Yuenyao, Romklao v Ushijima, Risa 2-6,1-6
ITF Women Daegu 06/20 01:00 25 Ushijima, Risa v Na-Lae Han 3-6,5-7
Kofu, Singles W-WITF-JPN-02A 06/12 01:00 25 Shiori Fukuda v Ushijima, Risa 6-3,6-3
ITF Women Singapore 06/06 02:00 26 Jovic, J. v Ushijima, Risa 6-2,7-5
ITF Women Singapore 06/05 02:00 25 Ushijima, Risa v Aldila Sutjiadi 7-5,6-2
Karuizawa, Singles W-WITF-JPN-10A 05/24 01:15 25 Mei Yamaguchi v Ushijima, Risa 3-6,7-5,7-6
ITF Women Kurume 05/15 02:40 25 Olivia Tjandramulia v Ushijima, Risa 6-2,2-6,6-4
ITF Women Kurume Qual 05/13 02:00 45 Ushijima, Risa v Aratake, Meina Cancelled
ITF Women Osaka 04/11 02:45 25 Ushijima, Risa v En Shuo Liang 1-6,4-6
ITF Women Osaka Qual 04/09 01:00 62 Kajuru, Ange Oby v Ushijima, Risa 3-6,2-6
ITF Women Osaka Qual 04/08 02:00 62 Mayuka Aikawa v Ushijima, Risa 4-6,1-6
ITF Women Kashiwa Qual 04/01 00:30 54 Karman Kaur Thandi v Ushijima, Risa 6-3,6-1
Kofu, Singles W-WITF-JPN-02A 03/28 01:00 25 Karman Kaur Thandi v Ushijima, Risa 6-3,6-3
Kofu, Singles Qualifying W-WITF-JPN-02A 03/26 04:40 62 Koshino, Natsumi v Ushijima, Risa 2-6,6-4,2-6
Kofu, Singles Qualifying W-WITF-JPN-02A 03/25 04:00 62 Furukawa, Suzuka v Ushijima, Risa 3-6,0-6
Kofu, Singles Qualifying W-WITF-JPN-02A 03/24 07:00 62 Kajitani, Robu v Ushijima, Risa 0-6,7-6,2-6
Nishi-Tama, Singles W-WITF-JPN-01A 03/24 02:00 28 Kim, Na Ri v Ushijima, Risa 6-1,6-1
Nishi-Tama, Singles W-WITF-JPN-01A 03/23 02:30 27 Ushijima, Risa v Gatto-Monticone, Giulia 6-1,6-3
Nishi-Tama, Singles W-WITF-JPN-01A 03/22 03:00 26 Mayuka Aikawa v Ushijima, Risa 6-3,2-6,3-6
Nishi-Tama, Singles W-WITF-JPN-01A 03/21 02:00 25 Ayumi Miyamoto v Ushijima, Risa 6-1,4-6,4-6
Toyota, Singles W-WITF-JPN-02A 03/15 03:30 26 Ushijima, Risa v Ayla Aksu 4-6,2-6
Toyota, Singles W-WITF-JPN-02A 03/14 01:00 25 Ushijima, Risa v Ikeda, Ryoko 6-2,6-3
ITF Women Toyota Qual 03/12 03:30 62 Ushijima, Risa v Eguchi, Misa 4-6,6-3,7-6
ITF Women Toyota Qual 03/11 01:00 62 Kanako Morisaki v Ushijima, Risa 3-6,1-6
ITF Women Toyota Qual 03/10 03:00 62 Hasegawa, Mami v Ushijima, Risa 1-6,6-3,2-6
Yokohama, Singles Qualifying W-WITF-JPN-01B 03/05 03:00 54 Ushijima, Risa v Moyuka Uchijima 4-6,6-7
Yokohama, Singles Qualifying W-WITF-JPN-01B 03/04 07:30 54 Robin Anderson v Ushijima, Risa 7-6,6-7,1-6
Perth, Simples W-WITF-AUS-05A 02/22 06:10 26 Jaimee Fourlis v Ushijima, Risa 6-2,6-3