Last John Isner Results
John Isner23.01.20 John Isner - Alejandro Tabilo 3:0
21.01.20 John Isner - Thiago Monteiro 3:1
17.01.20 John Isner - Ugo Humbert 0:2
15.01.20 Kyle Edmund - John Isner 0:2
14.01.20 Tennys Sandgren - John Isner 1:2