28 years

Angelique Kerber's age as she makes her debut at No.1. She is now the oldest to do so, a record previously held by Jennifer Capriati, who was 25 years, 200 days when she reached No.1 in October 2001.
Angelique Kerber's age as she makes her debut at No.1. She is now the oldest to do so, a record previously held by Jennifer Capriati, who was 25 years, 200 days when she reached No.1 in October 2001.
Last Modified: 10-Sep-2016 9:10 AM
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Source The Hindu