Rira Kosaka Ranking (JPN)
Country: Japan, Category: WTA
ITF Ranking
347
-1
Season High : 340
Season Low: 816
ITF Ranking
Year End Ranking
920
Season High : 416
Season Low: 962
ITF Ranking
Year End Ranking
512
Season High : 512
Season Low: 2161
ITF Ranking
Year End Ranking
2183
Season High : 2183
Season Low: 2543