Official ATP Rankings and Race points breakdown of John Isner by tournament and drop date for singles and doubles. John Isner speaks with media following his 2021 Atlanta Open championship win. While his current singles ranking stands at No. 192 as of May 29, 2023, his career-high singles ranking of No. 8 in July 2018 stands as a testament to his status as one of the.
While his current singles ranking stands at No. 192 as of May 29, 2023, his career-high singles ranking of No. 8 in July 2018 stands as a testament to his status as one of the.