Can the Serb break the record for most career weeks at No. 1 in ATP rankings history?
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Australian Open WTA
|
1/64 | Su-Wei Hsieh |
3-6
0-2 |
| 2016 |
US Open WTA
United States, New York, Flushing Meadows |
1/64 | Johanna Larsson |
4-6
2-6 |
| 2016 |
Cincinnati Masters, Qualification
|
1/12 (Special Qual) | Kurumi Nara |
6-1
7-5 |
| 2016 |
Cincinnati Masters, Qualification
|
1/24 (Special Qual) | Karin Knapp |
7-6
3-6 6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Nitto ATP World Tour Finals Final Stage
|
Semi Finals | Dominic Thiem |
7-5
6-7 7-6 |
| 2020 |
Nitto ATP World Tour Finals, Group Tokyo 1970
|
Championship | Novak Djokovic |
6-3
7-6 |
| 2020 |
Nitto ATP World Tour Finals, Group Tokyo 1970
|
Championship | Daniil Medvedev |
3-6
3-6 |
| 2020 |
Nitto ATP World Tour Finals, Group Tokyo 1970
|
Championship | Novak Djokovic |
6-3
6-2 |
| 2020 |
Erste Bank Open
|
Quarter Finals | Lorenzo Sonego |
2-6
1-6 |
| 2020 |
Erste Bank Open
|
1/8 | Novak Djokovic |
7-6
6-3 |
| 2020 |
Erste Bank Open
|
1/16 | Novak Djokovic |
7-6
6-3 |
