UTR Pro Yokohama Women
08/16 02:15
28
Shiho Tsujioka
v
Rira Kosaka
6-2,6-1
UTR Pro Yokohama Women
08/15 01:35
-
Rira Kosaka v
Natsuki Yamagami
5-7,7-5,6-4
UTR Pro Yokohama Women
08/14 00:00
-
Rira Kosaka v
Sasha Sakura Stula
6-1,6-1
UTR Pro Yokohama Women
08/13 08:30
-
Junri Namigata
v
Rira Kosaka
1-6,1-6
UTR Pro Yokohama Women
08/13 01:30
-
Ran Wakana
v
Rira Kosaka
4-6,6-0,3-6
ITF W15 Fukui
05/22 01:00
-
Nao Nishino
v
Rira Kosaka
6-1,5-1
ITF W15 Fukui
05/21 02:30
-
Rira Kosaka v
Yuno Kitahara
7-5,0-6,6-2
ITF W15 Toyama
05/14 01:00
-
Yuka Naito
v
Rira Kosaka
6-1,2-6,6-2
UTR Pro Yokohama Women
03/15 02:30
29
Rira Kosaka v
Mua Shigeta
6-1,6-2
UTR Pro Yokohama Women
03/14 01:00
28
Rira Kosaka v
Aoi Yoshida
7-5,6-1
UTR Pro Yokohama Women
03/13 07:00
-
Rira Kosaka v
Alice Pesci
7-5,2-6,6-1
UTR Pro Yokohama Women
03/13 01:00
-
Rira Kosaka v
Miho Ono
6-1,6-1
UTR Pro Yokohama Women
03/11 02:25
-
Naomi Hagi
v
Rira Kosaka
1-6,0-6
UTR Pro Yokohama Women
03/10 06:40
-
Miyu Nakashima
v
Rira Kosaka
6-2,6-4
UTR Pro Yokohama Women
02/09 01:00
29
Rion Obata
v
Rira Kosaka
1-6,2-6
UTR Pro Yokohama Women
02/08 01:00
28
Rina Komatsu
v
Rira Kosaka
4-6,1-6
UTR Pro Yokohama Women
02/07 02:35
-
Rira Kosaka v
Honoka Kobayashi
4-6,3-6
UTR Pro Yokohama Women
02/06 04:05
-
Rira Kosaka v
Riko Kikawada
6-2,6-2
UTR Pro Yokohama Women
02/05 04:40
-
Ayaka Ozeki
v
Rira Kosaka
1-6,3-6
UTR Pro Yokohama Women
02/04 01:00
-
Yuno Kitahara
v
Rira Kosaka
6-3,6-4
UTR Pro Yokohama Women
09/15 02:49
-
Ayaka Kanai
v
Rira Kosaka
4-6,3-6
UTR Pro Yokohama Women
09/13 03:00
-
Rira Kosaka v
Miyu Kageyama
View
UTR Pro Yokohama Women
09/10 04:08
-
Rira Kosaka v
Yuka Matsumoto
6-3,2-6,6-4
ITF W15 Sapporo
07/31 05:10
25
Hayu Kinoshita
v
Rira Kosaka
4-6,6-1,6-4
ITF W15 Sapporo
07/30 04:30
54
Rira Kosaka v
Aely Arai
7-6,6-2
ITF W15 Sapporo
07/30 01:00
54
Mei Hasegawa
v
Rira Kosaka
3-6,5-7
ITF W15 Sapporo
07/22 10:00
54
Rira Kosaka v
Kanna Soeda
1-6,7-5,5-10
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