"I made this decision last night," said Isner after losing to Korda in Delray Beach.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2013 |
Internazionali BNL d'Italia
|
1/32 | Denis Istomin |
5-7
7-6 6-3 |
| 2013 |
U.S. National Indoor Tennis Championships
|
1/16 | Denis Istomin |
6-4
6-3 |
| 2009 |
RCA Championships
|
Championship | John Isner |
4-6
4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Delray Beach Open
|
Quarter Finals | Sebastian Korda |
6-3
4-6 6-3 |
| 2021 |
Delray Beach Open
|
1/8 | John Isner |
4-6
6-7 |
| 2020 |
Roland Garros ATP
|
1/32 | Sebastian Korda |
6-4
6-4 2-6 6-4 |
| 2020 |
US Open ATP
|
1/64 | Steve Johnson |
6-7
6-3 6-7 6-3 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Nur-Sultan 2
|
1/8 | Taro Daniel |
6-2
6-4 |
| 2021 |
Nur-Sultan
|
1/8 | Mackenzie McDonald |
6-2
6-3 |
| 2021 |
Cherbourg
|
1/8 | Ruben Bemelmans |
6-4
7-6 |
