11 of 12 round robin matches were decided in straight sets.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Nitto ATP World Tour Finals, Group Lleyton Hewitt
|
Championship | Dominic Thiem |
6-1
6-4 |
| 2018 |
Nitto ATP World Tour Finals, Group Lleyton Hewitt
|
Championship | Kevin Anderson |
6-0
6-1 |
| 2018 |
Nitto ATP World Tour Finals, Group Lleyton Hewitt
|
Championship | Kei Nishikori |
6-7
3-6 |
| 2018 |
Rolex Paris Masters
|
Quarter Finals | Roger Federer |
4-6
4-6 |
| 2018 |
Rolex Paris Masters
|
1/8 | Kei Nishikori |
4-6
4-6 |
| 2018 |
Rolex Paris Masters
|
1/16 | Kei Nishikori |
5-7
4-6 |
| 2018 |
Erste Bank Open
|
Final | Kevin Anderson |
3-6
6-7 |
| 2018 |
Erste Bank Open
|
Semi Finals | Kei Nishikori |
6-4
6-3 |
| 2018 |
Erste Bank Open
|
Quarter Finals | Kei Nishikori |
3-6
1-6 |
| 2018 |
Erste Bank Open
|
1/8 | Kei Nishikori |
2-6
2-6 |
| 2018 |
Erste Bank Open
|
1/16 | Kei Nishikori |
6-7
7-5 2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Korea Open Tennis
|
1/8 | Irina-Camelia Begu |
6-4
6-3 |
| 2018 |
Korea Open Tennis
|
1/16 | Agnieszka Radwanska |
4-6
5-7 |
| 2018 |
US Open WTA
|
1/64 | Tatjana Maria |
3-6
3-6 |
| 2018 |
Connecticut Open
|
1/16 | Petra Kvitova |
1-6
6-7 |
