Tennis star John Isner’s mother, Karen Isner, is a real estate broker who hails from the United States.

Karen is a two-time cancer survivor, and as a result, the multidisciplinary clinic reception area of the North Carolina Cancer Hospital was named in her honour.

Karen was married to U.S Democratic politician, Bob Isner.

Bob was a 2016 Democratic candidate who ran for a seat in the U.S. House of representatives.

He represented the 13th Congressional District of North Carolina but lost at the primaries to his opponent, Bruce Davis.

Who Is Karen And Bob Isner’s Son John Isner?

Born on April 26, 1985, John Isner is a professional tennis champion who has so far achieved a career high of world No. 8 in singles and No. 19 in doubles.

He is one of the players with the best serves ever to play on the ATP Tour.

Isner has a history of participating in long matches and holds the record of being a competitor in the longest and second-longest matches in a major tournament in history.

His first was at the 2010 Wimbledon Championships, where he beat his opponent in 11 hours and 5 minutes in a match played in three separate days.

His second-longest match was a loss though, it was at the 2018 Wimbledon Championships. He had lost to his South African opponent, Kevin Anderson.