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Collin Johns Ranking (USA)

Country: United States of America, Born June 15, 1993 (22 years old), Category: ATP
ATP Ranking
1156 -39
Season High : 1025
Season Low: 1156
ATP Ranking
Year End Ranking
Season High : 1109
Season Low: 1595
ATP Ranking
Year End Ranking
Season High : 1519
Season Low: 1780
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