# 2024 Japan Open Tennis Championships – Singles

Arthur Fils defeated Ugo Humbert in the final, 5–7, 7–6$^{(8–6)}$, 6–3 to win the singles tennis title at the 2024 Japan Open. He saved a championship point en route to his third ATP Tour title (and first on hardcourt). Humbert was contending to become the first player in ATP Tour history to win his first seven finals.
Ben Shelton was the defending champion, but lost in the quarterfinals to Fils.

## Seeds

* Taylor Fritz (first round)
* Hubert Hurkacz (second round)
* Casper Ruud (first round)
* Stefanos Tsitsipas (first round)
* Tommy Paul (second round)
* Holger Rune (semifinals)
* Frances Tiafoe (first round)
* Ben Shelton (quarterfinals)

## 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 | Semifinals | Final | Final | Final | Final |
| | Arthur Fils | 7$^{10}$ | 7$^{12}$ | | | | | |
| 6 | Holger Rune | 6$^8$ | 6$^{10}$ | | | | | |
| 6 | Holger Rune | 6$^8$ | 6$^{10}$ | | Arthur Fils | 5 | 7$^8$ | 6 |
| | | | | | Ugo Humbert | 7 | 6$^6$ | 3 |
| | Tomáš Macháč | 3 | 6 | 2 | Ugo Humbert | 7 | 6$^6$ | 3 |
| | Ugo Humbert | 6 | 3 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Fritz | 4 | 6 | 3 | | | | | | | | | | | | | |
| | A Fils | 6 | 3 | 6 | | A Fils | 6$^5$ | 0 | | | | | | | | | |
| Q | B van de Zandschulp | 3 | 4 | | | M Berrettini | 7$^7$ | 0$^r$ | | | | | | | | | |
| | M Berrettini | 6 | 6 | | | | | | | A Fils | 7 | 6$^5$ | 7$^7$ | | | | |
| | M Navone | 6 | 6 | | | | | | 8 | B Shelton | 5 | 7$^7$ | 6$^2$ | | | | |
| | L Darderi | 4 | 4 | | | M Navone | 4 | 3 | | | | | | | | | |
| PR | R Opelka | 6 | 1 | 4 | 8 | B Shelton | 6 | 6 | | | | | | | | | |
| 8 | B Shelton | 3 | 6 | 6 | | | | | | | | | | | A Fils | 7$^{10}$ | 7$^{12}$ |
| 3 | C Ruud | 6$^5$ | 1 | | | | | | | | | | | 6 | H Rune | 6$^8$ | 6$^{10}$ |
| | J Thompson | 7$^7$ | 6 | | | J Thompson | 2 | 3 | | | | | | | | | |
| PR | M Čilić | 4 | 6 | 3 | WC | K Nishikori | 6 | 6 | | | | | | | | | |
| WC | K Nishikori | 6 | 3 | 6 | | | | | WC | K Nishikori | 6 | 2 | 5 | | | | |
| | F Auger-Aliassime | 6$^5$ | 6 | 6$^5$ | | | | | 6 | H Rune | 3 | 6 | 7 | | | | |
| WC | Y Nishioka | 7$^7$ | 3 | 7$^7$ | WC | Y Nishioka | 2 | 4 | | | | | | | | | |
| | A Tabilo | 2 | 7 | 4 | 6 | H Rune | 6 | 6 | | | | | | | | | |
| 6 | H Rune | 6 | 5 | 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 |
| 5 | T Paul | 6 | 6 | | | | | | | | | | | | | | |
| | M Arnaldi | 3 | 2 | | 5 | T Paul | 6 | 3 | 6$^4$ | | | | | | | | |
| | A Popyrin | 3 | 7$^7$ | 5 | | T Macháč | 2 | 6 | 7$^7$ | | | | | | | | |
| | T Macháč | 6 | 6$^5$ | 7 | | | | | | | T Macháč | 7$^7$ | 6 | | | | |
| | TM Etcheverry | 4 | 6$^5$ | | | | | | | Q | A Michelsen | 6$^2$ | 3 | | | | |
| Q | C O'Connell | 6 | 7$^7$ | | Q | C O'Connell | 1 | 4 | | | | | | | | | |
| Q | A Michelsen | 4 | 6 | 6 | Q | A Michelsen | 6 | 6 | | | | | | | | | |
| 4 | S Tsitsipas | 6 | 1 | 2 | | | | | | | | | | T Macháč | 3 | 6 | 2 |
| 7 | F Tiafoe | 5 | 3 | | | | | | | | | | | U Humbert | 6 | 3 | 6 |
| SE | B Nakashima | 7 | 6 | | SE | B Nakashima | 3 | 2 | | | | | | | | | |
| WC | S Mochizuki | 1 | 2 | | | U Humbert | 6 | 6 | | | | | | | | | |
| | U Humbert | 6 | 6 | | | | | | | | U Humbert | 7 | 2 | | | | |
| | J Draper | 6 | 6 | | | | | | | | J Draper | 5 | 1$^r$ | | | | |
| Q | M Bellucci | 4 | 2 | | | J Draper | 6 | 6 | | | | | | | | | |
| | M Giron | 4 | 7$^7$ | 4 | 2 | H Hurkacz | 4 | 4 | | | | | | | | | |
| 2 | H Hurkacz | 6 | 6$^5$ | 6 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Alex Michelsen (qualified)
* Botic van de Zandschulp (qualified)
* Alexandre Müller (first round)
* Aleksandar Kovacevic (first round)
* Christopher O'Connell (qualified)
* Rinky Hijikata (qualifying competition)
* Damir Džumhur (first round)
* Luca Nardi (qualifying competition)

### Qualifiers

* Alex Michelsen
* Botic van de Zandschulp
* Mattia Bellucci
* Christopher O'Connell

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Alex Michelsen | 6 | 6 | | | | |
| WC | Yasutaka Uchiyama | 3 | 4 | | | | |
| WC | Yasutaka Uchiyama | 3 | 4 | 1 | Alex Michelsen | 6 | 6 |
| | | | | | Borna Ćorić | 3 | 3 |
| | Borna Ćorić | 6 | 6 | | Borna Ćorić | 3 | 3 |
| 7 | Damir Džumhur | 3 | 4 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Botic van de Zandschulp | 2 | 6 | 6 | | | | |
| WC | Yosuke Watanuki | 6 | 3 | 1 | | | | |
| WC | Yosuke Watanuki | 6 | 3 | 1 | 2 | Botic van de Zandschulp | 6 | 6 |
| | | | | | 8 | Luca Nardi | 2 | 3 |
| WC | Rei Sakamoto | 3 | 1 | | 8 | Luca Nardi | 2 | 3 |
| 8 | Luca Nardi | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Alexandre Müller | 6 | 2 | 6$^3$ | | | | |
| Alt | Mattia Bellucci | 4 | 6 | 7$^7$ | | | | |
| Alt | Mattia Bellucci | 4 | 6 | 7$^7$ | Alt | Mattia Bellucci | 6 | 6 |
| | | | | | 6 | Rinky Hijikata | 3 | 1 |
| | Aleksandar Vukic | 6$^2$ | 7$^7$ | 6$^3$ | 6 | Rinky Hijikata | 3 | 1 |
| 6 | Rinky Hijikata | 7$^7$ | 6$^1$ | 7$^7$ | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Aleksandar Kovacevic | 3 | 7$^7$ | 6$^4$ | | | | |
| | Taro Daniel | 6 | 6$^4$ | 7$^7$ | | | | |
| | Taro Daniel | 6 | 6$^4$ | 7$^7$ | | Taro Daniel | 3 | 5 |
| | | | | | 5 | Christopher O'Connell | 6 | 7 |
| Alt | Otto Virtanen | 4 | 4 | | 5 | Christopher O'Connell | 6 | 7 |
| 5 | Christopher O'Connell | 6 | 6 | | | | | |