Head to Head
| ATP Acapulco | 2020/02/29 00:05 | Taylor Fritz v John Isner | 2-6,7-5,6-3 |
| ATP Auckland | 2019/01/08 23:00 | John Isner v Taylor Fritz | 6-7,6-7 |
| Wimbledon | 2017/07/04 16:35 | Taylor Fritz v John Isner | 4-6,6-7,3-6 |
Home History
| ATP Acapulco | 2020/02/29 00:05 | Taylor Fritz v John Isner | 2-6,7-5,6-3 |
| ATP Acapulco | 2020/02/27 23:00 | John Isner v Tommy Paul | 7-6,3-6,6-2 |
| ATP Acapulco | 2020/02/26 23:40 | John Isner v Marcos Giron | 6-3,7-6 |
| ATP Acapulco | 2020/02/26 03:00 | John Isner v Mischa Zverev | 6-3,7-6 |
| ATP New York | 2020/02/14 00:30 | John Isner v Jordan Thompson | 6-7,7-6,3-6 |
| Australian Open | 2020/01/23 06:35 | John Isner v Alejandro Tabilo | 6-4,6-3,6-3 |
| Australian Open | 2020/01/21 10:00 | John Isner v Thiago Monteiro | 6-7,7-6,7-6,7-6 |
| ATP Auckland | 2020/01/17 05:05 | John Isner v Ugo Humbert | 6-7,4-6 |
Away History
| Davis Cup | 2020/03/07 04:40 | Taylor Fritz v Sanjar Fayziev | 6-1,6-2 |
| ATP Acapulco | 2020/03/01 03:50 | Rafael Nadal v Taylor Fritz | 6-3,6-2 |
| ATP Acapulco | 2020/02/29 00:05 | Taylor Fritz v John Isner | 2-6,7-5,6-3 |
| ATP Acapulco | 2020/02/28 01:15 | Taylor Fritz v Kyle Edmund | 6-4,6-3 |
| ATP Acapulco | 2020/02/27 02:55 | Ugo Humbert v Taylor Fritz | 4-6,1-6 |
| ATP Acapulco | 2020/02/26 03:00 | Taylor Fritz v John Millman | 7-5,3-6,6-1 |
| ATP Delray Beach | 2020/02/18 16:00 | Taylor Fritz v Cameron Norrie | 4-6,7-6,4-6 |
| Challenger Newport Beach | 2020/01/30 20:45 | Taylor Fritz v Mitchell Krueger | 4-6,6-3,3-6 |