Isner lost his fourth-round match to Roberto Bautista Agut in Miami on Tuesday.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Rolex Paris Masters
|
1/16 | Jack Sock |
3-6
3-6 |
| 2017 |
Hopman Cup, final stage
|
Championship | Richard Gasquet |
6-3
5-7 7-6 |
| 2016 |
BNP Paribas Masters
France, Paris |
1/8 | Jack Sock |
2-6
6-3 5-7 |
| 2015 |
if...Stockholm Open
|
Semi Finals | Jack Sock |
6-4
6-2 |
| 2015 |
Citi Open
|
1/8 | Jack Sock |
7-6
6-7 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Barcelona Open
|
1/32 | Jordan Thompson |
7-6
4-6 7-6 |
| 2021 |
Dubai Tennis Championships
|
1/16 | Hubert Hurkacz |
3-6
4-6 |
| 2021 |
Dubai Tennis Championships
|
1/32 | Richard Gasquet |
6-4
6-2 |
| 2021 |
Qatar Open
|
1/8 | Andrey Rublev | |
| 2021 |
Qatar Open
|
1/16 | Richard Gasquet |
6-4
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Tallahassee
|
1/16 | Jason Jung |
6-2
3-6 4-6 |
| 2021 |
Orlando
|
Quarter Finals | Christian Harrison |
6-7
3-6 |
| 2021 |
Orlando
|
1/8 | Jack Sock |
3-6
4-6 |
