Japan's best ATP player rebounded from injury to earn a spot in the year-end event.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Houston
|
1/16 | Paolo Lorenzi |
6-4
3-6 6-4 |
| 2018 |
Montevideo
|
1/8 | Carlos Berlocq |
3-6
6-2 7-5 |
| 2018 |
Montevideo
|
1/16 | Paolo Lorenzi |
6-3
0-6 6-7 |
| 2018 |
Guayaquil
|
1/8 | Pedja Krstin |
6-7
2-6 |
| 2018 |
Guayaquil
|
1/16 | Paolo Lorenzi |
6-4
6-7 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Shanghai Rolex Masters
|
1/8 | Borna Coric |
5-7
0-0 |
| 2018 |
Shanghai Rolex Masters
|
1/16 | Juan Martin del Potro |
7-5
7-6 |
| 2018 |
China Open
|
Final | Nikoloz Basilashvili |
4-6
4-6 |
| 2018 |
China Open
|
Semi Finals | Juan Martin del Potro | |
| 2018 |
China Open
|
Quarter Finals | Juan Martin del Potro |
6-3
6-0 |
| 2018 |
China Open
|
1/8 | Juan Martin del Potro |
6-4
7-6 |
| 2018 |
China Open
|
1/16 | Juan Martin del Potro |
7-5
6-2 |
| 2018 |
US Open ATP
|
Final | Novak Djokovic |
3-6
6-7 3-6 |
| 2018 |
US Open ATP
|
Semi Finals | Juan Martin del Potro |
6-7
2-6 0-0 |
| 2018 |
US Open ATP
|
Quarter Finals | Juan Martin del Potro |
6-7
6-3 7-6 6-2 |
| 2018 |
US Open ATP
|
1/8 | Juan Martin del Potro |
6-4
6-3 6-1 |
| 2018 |
US Open ATP
|
1/16 | Juan Martin del Potro |
7-5
7-6 6-3 |
| 2018 |
US Open ATP
|
1/32 | Juan Martin del Potro |
6-3
6-1 7-6 |
| 2018 |
US Open ATP
|
1/64 | Juan Martin del Potro |
6-0
6-3 6-4 |
