# 2019 Rakuten Japan Open Tennis Championships – Singles

Novak Djokovic defeated John Millman in the final, 6–3, 6–2 to win the 2019 Japan Open.
Daniil Medvedev was the reigning champion, but did not defend his title.

## Seeds

* Novak Djokovic (champion)
* Borna Ćorić (first round)
* David Goffin (semifinals)
* Benoît Paire (first round)
* Lucas Pouille (quarterfinals)
* Marin Čilić (second round)
* Taylor Fritz (first round)
* Alex de Minaur (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Novak Djokovic | 6 | 6 | | | | |
| 3 | David Goffin | 3 | 4 | | | | |
| 3 | David Goffin | 3 | 4 | 1 | Novak Djokovic | 6 | 6 |
| | | | | Q | John Millman | 3 | 2 |
| | Reilly Opelka | 3 | 6$^4$ | Q | John Millman | 3 | 2 |
| Q | John Millman | 6 | 7$^7$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Djokovic | 6 | 6 | | | | | | | | | | | | | | |
| Q | A Popyrin | 4 | 2 | | 1 | N Djokovic | 6 | 7 | | | | | | | | | |
| | J-L Struff | 6 | 6$^4$ | 3 | WC | G Soeda | 3 | 5 | | | | | | | | | |
| WC | G Soeda | 4 | 7$^7$ | 6 | | | | | | 1 | N Djokovic | 6 | 6 | | | | |
| | Y Nishioka | 7 | 6 | | | | | | | 5 | L Pouille | 1 | 2 | | | | |
| | J Sousa | 5 | 3 | | | Y Nishioka | 1 | 2 | | | | | | | | | |
| | H Hurkacz | 4 | 3 | | 5 | L Pouille | 6 | 6 | | | | | | | | | |
| 5 | L Pouille | 6 | 6 | | | | | | | | | | | 1 | N Djokovic | 6 | 6 |
| 3 | D Goffin | 1 | 7$^{10}$ | 6 | | | | | | | | | | 3 | D Goffin | 3 | 4 |
| | P Carreño Busta | 6 | 6$^8$ | 0 | 3 | D Goffin | 7$^7$ | 7$^7$ | | | | | | | | | |
| | D Shapovalov | 6 | 6 | | | D Shapovalov | 6$^5$ | 6$^2$ | | | | | | | | | |
| | M Kecmanović | 4 | 4 | | | | | | | 3 | D Goffin | 6 | 6 | | | | |
| | L Sonego | 6 | 3 | 4 | | | | | | | H Chung | 2 | 2 | | | | |
| | H Chung | 3 | 6 | 6 | | H Chung | 6 | 3 | 6 | | | | | | | | |
| WC | Y Sugita | 4 | 4 | | 6 | M Čilić | 4 | 6 | 1 | | | | | | | | |
| 6 | M Čilić | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | T Fritz | 3 | 4 | | | | | | | | | | | | | | |
| | R Opelka | 6 | 6 | | | R Opelka | 7$^7$ | 7$^7$ | | | | | | | | | |
| Q | P Andújar | 4 | 0 | | | G Simon | 6$^4$ | 6$^2$ | | | | | | | | | |
| | G Simon | 6 | 6 | | | | | | | | R Opelka | 6 | 6 | | | | |
| | R Albot | 6 | 7 | | | | | | | Q | Y Uchiyama | 3 | 3 | | | | |
| | F Krajinović | 3 | 5 | | | R Albot | 7$^7$ | 3 | 4 | | | | | | | | |
| Q | Y Uchiyama | 6 | 6 | | Q | Y Uchiyama | 6$^2$ | 6 | 6 | | | | | | | | |
| 4 | B Paire | 2 | 2 | | | | | | | | | | | | R Opelka | 3 | 6$^4$ |
| 8 | A de Minaur | 3 | 7$^8$ | 6$^8$ | | | | | | | | | | Q | J Millman | 6 | 7$^7$ |
| SE | L Harris | 6 | 6$^6$ | 7$^{10}$ | SE | L Harris | 3 | 2 | | | | | | | | | |
| Q | J Millman | 4 | 6 | 6 | Q | J Millman | 6 | 6 | | | | | | | | | |
| | A Mannarino | 6 | 3 | 4 | | | | | | Q | J Millman | 6 | 6 | | | | |
| | J Thompson | 6 | 3 | 6 | | | | | | WC | T Daniel | 4 | 0 | | | | |
| | JI Londero | 3 | 6 | 3 | | J Thompson | 4 | 6$^3$ | | | | | | | | | |
| WC | T Daniel | 6 | 4 | 7$^7$ | WC | T Daniel | 6 | 7$^7$ | | | | | | | | | |
| 2 | B Ćorić | 4 | 6 | 6$^5$ | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Pablo Andújar (qualified)
* Nicolás Jarry (first round)
* John Millman (qualified)
* Thomas Fabbiano (first round)
* Alexei Popyrin (qualified)
* Kwon Soon-woo (qualifying competition)
* Peter Gojowczyk (first round)
* Steve Johnson (first round)

### Qualifiers

* Pablo Andújar
* Yasutaka Uchiyama
* John Millman
* Alexei Popyrin

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Pablo Andújar | 6 | 6 | | | | |
| | Brayden Schnur | 0 | 0 | | | | |
| | Brayden Schnur | 0 | 0 | 1 | Pablo Andújar | 7 | 6 |
| | | | | 6 | Kwon Soon-woo | 5 | 4 |
| | Henri Laaksonen | 6$^5$ | 2 | 6 | Kwon Soon-woo | 5 | 4 |
| 6 | Kwon Soon-woo | 7$^7$ | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Nicolás Jarry | 1 | 6 | 2 | | | | |
| | Marcel Granollers | 6 | 1 | 6 | | | | |
| | Marcel Granollers | 6 | 1 | 6 | | Marcel Granollers | 3 | 4 |
| | | | | | WC | Yasutaka Uchiyama | 6 | 6 |
| WC | Yasutaka Uchiyama | 6 | 6 | | WC | Yasutaka Uchiyama | 6 | 6 |
| 8 | Steve Johnson | 3 | 3 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | John Millman | 3 | 7$^{11}$ | 6 | | | | |
| | Bradley Klahn | 6 | 6$^9$ | 2 | | | | |
| | Bradley Klahn | 6 | 6$^9$ | 2 | 3 | John Millman | 7$^7$ | 6 |
| | | | | | WC | Tatsuma Ito | 6$^5$ | 1 |
| WC | Tatsuma Ito | 5 | 6 | 6 | WC | Tatsuma Ito | 6$^5$ | 1 |
| 7 | Peter Gojowczyk | 7 | 1 | 4 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Thomas Fabbiano | 2 | 3 | | | | | |
| | James Duckworth | 6 | 6 | | | | | |
| | James Duckworth | 6 | 6 | | | James Duckworth | 3 | 6$^0$ |
| | | | | | 5 | Alexei Popyrin | 6 | 7$^7$ |
| WC | Yosuke Watanuki | 6 | 1 | 4 | 5 | Alexei Popyrin | 6 | 7$^7$ |
| 5 | Alexei Popyrin | 4 | 6 | 6 | | | | |