Ryotaro Koshiba Ranking (JPN)
Country: Japan, Born October 2, 2002 (22 years old), Category: Junior, Boys
ITF Ranking
Year End Ranking
1139
Season High : 870
Season Low: 1139
ITF Ranking
Year End Ranking
1500
Season High : 767
Season Low: 1500
ITF Ranking
Year End Ranking
764
Season High : 446
Season Low: 1089
ITF Ranking
Year End Ranking
697
Season High : 616
Season Low: 1296
ITF Ranking
Year End Ranking
1678
Season High : 1567
Season Low: 2175