# 2007 AIG Japan Open Tennis Championships – Men's singles

Roger Federer was the defending champion, but chose not to participate in the 2007 event.
First-seeded David Ferrer beat Richard Gasquet in the final 6–1, 6–2.

## Seeds

All seeds receive a bye into the second round.
* David Ferrer (champion)
* Tomáš Berdych (semifinals)
* Richard Gasquet (final)
* Lleyton Hewitt (quarterfinals)
* Jarkko Nieminen (second round)
* Dmitry Tursunov (third round)
* Ivo Karlović (semifinals)
* Fernando Verdasco (quarterfinals)
* Hyung-taik Lee (third round)
* Feliciano López (quarterfinals)
* Juan Martín del Potro (second round, retired due to a leg injury)
* Thomas Johansson (third round)
* Sam Querrey (second round)
* Sergio Roitman (second round)
* Frank Dancevic (second round)
* Michael Russell (third 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | David Ferrer | 6 | 6 | | | | | | | | | |
| 10 | Feliciano López | 4 | 4 | | | | | | | | | |
| 10 | Feliciano López | 4 | 4 | | 1 | David Ferrer | 7$^7$ | 6 | | | | |
| | | | | | 7 | Ivo Karlović | 6$^3$ | 3 | | | | |
| 4 | Lleyton Hewitt | 6$^5$ | 6$^6$ | | 7 | Ivo Karlović | 6$^3$ | 3 | | | | |
| 7 | Ivo Karlović | 7$^7$ | 7$^8$ | | | | | | | | | |
| 7 | Ivo Karlović | 7$^7$ | 7$^8$ | | | | | | 1 | David Ferrer | 6 | 6 |
| | | | | | | | | | 3 | Richard Gasquet | 1 | 2 |
| | Dudi Sela | 4 | 1 | | | | | | | | | | 3 | Richard Gasquet | 1 | 2 |
| 3 | Richard Gasquet | 6 | 6 | | | | | | | | | |
| 3 | Richard Gasquet | 6 | 6 | | 3 | Richard Gasquet | 7$^7$ | 6 | | | | |
| | | | | | 2 | Tomáš Berdych | 6$^3$ | 3 | | | | |
| 8 | Fernando Verdasco | 6$^7$ | 6 | 5 | 2 | Tomáš Berdych | 6$^3$ | 3 | | | | |
| 2 | Tomáš Berdych | 7$^9$ | 4 | 7 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | D Ferrer | 7$^7$ | 6 | | | | | | | | | |
| | S Bolelli | 6$^6$ | 6$^8$ | | | W Moodie | 6$^5$ | 2 | | | | | | | | | |
| | W Moodie | 7$^8$ | 7$^{10}$ | | | | | | | 1 | D Ferrer | 6 | 7$^7$ | | | | |
| | A Delić | 3 | 1 | | | | | | | | V Spadea | 1 | 6$^0$ | | | | |
| | V Spadea | 6 | 6 | | | V Spadea | 4 | 6 | 7$^9$ | | | | | | | | |
| | | | | | 14 | S Roitman | 6 | 1 | 6$^7$ | | | | | | | | |
| | | | | | | | | | | | | | | 1 | D Ferrer | 6 | 6 |
| | | | | | | | | | | | | | | 10 | F López | 4 | 4 |
| | | | | | 10 | F López | 6 | 6 | | | | | | | | | |
| Q | H-w Nam | 6$^5$ | 7$^9$ | 3 | | R Kendrick | 2 | 4 | | | | | | | | | |
| | R Kendrick | 7$^7$ | 6$^7$ | 6 | | | | | | 10 | F López | 7$^{10}$ | 6 | | | | |
| | P Capdeville | 7$^7$ | 7 | | | | | | | 6 | D Tursunov | 6$^8$ | 4 | | | | |
| | T Gabashvili | 6$^4$ | 5 | | | P Capdeville | 4 | 3 | | | | | | | | | |
| | | | | | 6 | D Tursunov | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | L Hewitt | 6 | 6 | | | | | | | | | |
| Q | L Gregorc | 6 | 6 | | Q | L Gregorc | 3 | 3 | | | | | | | | | |
| Q | T Terachi | 4 | 4 | | | | | | 4 | L Hewitt | 7 | 6 | | | | | |
| | I Navarro | 7$^7$ | 7$^7$ | | | | | | | I Navarro | 5 | 3 | | | | | |
| | R Haase | 6$^5$ | 6$^0$ | | | I Navarro | 7 | 6 | | | | | | | | | |
| | | | | | 13 | S Querrey | 5 | 3 | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | L Hewitt | 6$^5$ | 6$^6$ |
| | | | | | | | | | | | | | | 7 | I Karlović | 7$^7$ | 7$^8$ |
| | | | | | 9 | Hyung-taik Lee | 6 | 6 | | | | | | | | | |
| | Y-h Lu | 6$^4$ | 7$^9$ | 6 | | Yen-hsun Lu | 1 | 4 | | | | | | | | | |
| | D Udomchoke | 7$^7$ | 6$^7$ | 1 | | | | | 9 | Hyung-yaik Lee | 6$^6$ | 7$^{10}$ | 6$^8$ | | | | |
| | B Becker | 7 | 3 | 6 | | | | | 7 | I Karlović | 7$^8$ | 6$^8$ | 7$^{10}$ | | | | |
| WC | T Suzuki | 5 | 6 | 4 | | B Becker | 4 | 3 | | | | | | | | | |
| | | | | | 7 | I Karlović | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | J Nieminen | 3 | 6 | 4 | | | | | | | | |
| Q | J-C Scherrer | 6$^5$ | 6 | 5 | | B Pašanski | 6 | 4 | 6 | | | | | | | | |
| | B Pašanski | 7$^7$ | 1 | 7 | | | | | | | B Pašanski | 2 | 0$^r$ | | | | |
| Q | S Stadler | 4 | 5 | | | | | | | | D Sela | 6 | 4 | | | | |
| | D Sela | 6 | 7 | | | D Sela | 2 | 7 | 5 | | | | | | | | |
| | | | | | 11 | JM del Potro | 6 | 5 | 3$^r$ | | | | | | | | |
| | | | | | | | | | | | | | | | D Sela | 4 | 1 |
| | | | | | | | | | | | | | | 3 | R Gasquet | 6 | 6 |
| | | | | | 15 | F Dancevic | 2 | 6 | 2 | | | | | | | | |
| WC | G Soeda | 3 | 6 | 2 | | R Schüttler | 6 | 4 | 6 | | | | | | | | |
| | R Schüttler | 6 | 1 | 6 | | | | | | | R Schüttler | 2 | 2 | | | | |
| | Z Fleishman | 7$^7$ | 3 | 6 | | | | | | 3 | R Gasquet | 6 | 6 | | | | |
| WC | K Nishikori | 6$^5$ | 6 | 1 | | Z Fleishman | 3 | 3 | | | | | | | | | |
| | | | | | 3 | R Gasquet | 6 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 8 | F Verdasco | 6 | 6 | | | | | | | | | | | |
| | F Fognini | 1 | 6$^9$ | | M Zverev | 3 | 2 | | | | | | | | | | | |
| | M Zverev | 6 | 7$^{11}$ | | | | | | 8 | F Verdasco | 7$^7$ | 5 | 6 | | | | | |
| | J Gimelstob | 6 | 7 | | | | | | 12 | T Johansson | 6$^4$ | 7 | 3 | | | | | |
| | L Kubot | 4 | 5 | | J Gimelstob | 4 | 4 | | | | | | | | | | | |
| | | | | 12 | T Johansson | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | 8 | F Verdasco | 6$^7$ | 6 | 5 |
| | | | | | | | | | | | | | | 2 | T Berdych | 7$^9$ | 4 | 7 |
| | | | | 16 | M Russell | 7$^7$ | 2 | 6 | | | | | | | | | | |
| | M Čilić | 6 | 6 | | M Čilić | 6$^2$ | 6 | 1 | | | | | | | | | | |
| Q | W-s Jun | 2 | 2 | | | | | | 16 | M Russell | 4 | 2 | | | | | | |
| WC | S Iwabuchi | 4 | 4 | | | | | | 2 | T Berdych | 6 | 6 | | | | | | |
| | J Vaněk | 6 | 6 | | J Vaněk | 1 | 4 | | | | | | | | | | | |
| | | | | 2 | T Berdych | 6 | 6 | | | | | | | | | | | |