John Isner reaches his first ATP Masters 1000 semi-final since 2019 after defeating Gael Monfil in Toronto.

John Isner improves to 19-7 on the season as he claimed his eighth consecutive win with a victory over Andrey Rublev in Toronto.

John Isner lifts his sixth Atlanta trophy on Sunday evening after beating Brandon Nakashima in straight sets.

John Isner defeats Brandon Nakashima on Sunday evening to win his sixth Truist Atlanta Open title.

John Isner earns the only service break of his match against Jack Sock to advance to the quarter-finals in Atlanta.

John Isner saves the one break point he faces en route to a three-set victory against fellow American J.J. Wolf.

Hans Hach Verdugo and John Isner beat Hunter Reese and Sem Verbeek to win the Los Cabos title.

Second seed John Isner celebrates beating Alex Bolt on Thursday night in Los Cabos.

Second seed John Isner celebrates beating Evgeny Donskoy on Wednesday in Los Cabos.

Hans Hach Verdugo and John Isner celebrate reaching the Los Cabos quarter-finals on Tuesday.

John Isner is the second seed at the Mifel Open in Los Cabos.

John Isner fires 60 winners to beat Filip Krajinovic on Wednesday at Roland Garros.

John Isner, who helped launch the Dallas Open earlier in the day, throws out the first pitch at the Texas Rangers-New York Yankees game

John Isner is a three-time Mutua Madrid Open quarter-finalist.

John Isner (right) saves one match point against Roberto Bautista Agut (left) on Wednesday in Madrid.

John Isner hits 28 aces to beat Miomir Kecmanovic on Monday in Madrid.

John Isner owns an 11-1 record in tie-breaks at Hard Rock Stadium.

John Isner will meet Roberto Bautista Agut for a place in the Miami Open presented by Itau quarter-finals.

John Isner wins in straight sets after one hour and 42 minutes to reach the second round at Roland Garros.

John Isner hits 35 aces to beat John Millman in a third-set tie-break on Monday at the Western & Southern Open.

John Isner does not drop serve in his straight-sets victory against Hubert Hurkacz in the first round of the Western & Southern Open.

John Isner is the top-ranked American in the FedEx ATP Rankings.

John Isner reached the Western & Southern Open final in 2013.

John Isner defeats Tommy Paul to reach his second consecutive Acapulco semi-final.