# Challenger de Yokohama 2017 (individual masculino)

Keio Challenger :
| Campeón: | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita | Yūichi Sugita |
| Subcampeón: | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo | Kwon Soon-woo |
| Resultado: | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) | 6–4, 2–6, 7–6(2) |
| Modalidades |||||||||||
| Individual | Masculino | | | |
| Dobles | Masculino | |
| 2015 « Challenger de Yokohama » 2018 |||||||||||

## Presentación previa

[Taro Daniel] fue el campeón defensor, pero decidió no participar este año.
Yūichi Sugita derrotó en la final a Kwon Soon-woo.

## Cabezas de serie

| Yūichi Sugita (Campeón) Henri Laaksonen (Primera ronda) Lee Duck-hee (Primera ronda) Go Soeda (Segunda ronda) | Grega Žemlja (Primera ronda) Ruben Bemelmans (Segunda ronda) Zhang Ze (Cuartos de final) Andrew Whittington (Cuartos de final) |

## Cuadro

| Q = Clasificado/a (Qualifier) WC = Invitación (Wild Card) LL = Perdedor/a afortunado/a (Lucky Loser) Alt = Suplente (Alternate) | SE = Exención especial (Special Exempt) PR = Ranking protegido (Protected Ranking) s = Partido suspendido (Suspended) | r = Retirado/a (Retired) w/o = No presentación (Walkover) d = Descalificado/a (Defaulted) |

### Cuadro final

| Semifinales | Semifinales | Semifinales | Semifinales | Semifinales | Final | Final | Final | Final | Final |
| 1 | Yūichi Sugita | 4 | 7$^8$ | 6 |
| Q | Blake Mott | 6 | 6$^6$ | 2 |
| Q | Blake Mott | 6 | 6$^6$ | 2 | 1 | Yūichi Sugita | 6 | 2 | 7$^7$ |
| | | | | | Q | Kwon Soon-woo | 4 | 6 | 6$^2$ |
| | Tatsuma Ito | 4 | 4 | | Q | Kwon Soon-woo | 4 | 6 | 6$^2$ |
| Q | Kwon Soon-woo | 6 | 6 | |

### Cuadro superior

| Primera ronda | Primera ronda | Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Semifinales | Semifinales | Semifinales | Semifinales | Semifinales |
| 1 | Yūichi Sugita | 6 | 6 | |
| | Agustín Velotti | 4 | 4 | |
| | Agustín Velotti | 4 | 4 | | 1 | Y Sugita | 6 | 6 |
| | | | | | | D Wu | 4 | 4 |
| | Christopher O'Connell | 1 | 7$^7$ | 3 | | D Wu | 4 | 4 |
| | Wu Di | 6 | 6$^1$ | 6 | | | | |
| | Wu Di | 6 | 6$^1$ | 6 | | | | | 1 | Y Sugita | 6 | 6 |
| | | | | | | | | | 7 | Z Zhang | 2 | 1 |
| | Blaž Kavčič | 4 | 6 | 6 | | | | | 7 | Z Zhang | 2 | 1 |
| | Marinko Matosevic | 6 | 0 | 4 | | | | | | | | |
| | Marinko Matosevic | 6 | 0 | 4 | | B Kavčič | 4 | 6$^5$ | | | | |
| | | | | | 7 | Z Zhang | 6 | 7$^7$ | | | | |
| WC | Yosuke Watanuki | 3 | 0 | | 7 | Z Zhang | 6 | 7$^7$ | | | | |
| 7 | Zhang Ze | 6 | 6 | | | | | | | | | |
| 7 | Zhang Ze | 6 | 6 | | | | | | | | | | 1 | Y Sugita | 4 | 7$^8$ | 6 |
| | | | | | | | | | | | | | Q | B Mott | 6 | 6$^6$ | 2 |
| 3 | Lee Duck-hee | 5 | 7$^8$ | 1 | | | | | | | | | Q | B Mott | 6 | 6$^6$ | 2 |
| | Marko Tepavac | 7 | 6$^6$ | 6 | | | | | | | | |
| | Marko Tepavac | 7 | 6$^6$ | 6 | | M Tepavac | 3 | 4 | | | | |
| | | | | | Q | B Klein | 6 | 6 | | | | |
| | Franko Škugor | 3 | 5 | | Q | B Klein | 6 | 6 | | | | |
| Q | Brydan Klein | 6 | 7 | | | | | | | | | |
| Q | Brydan Klein | 6 | 7 | | | | | | Q | B Klein | 4 | 1 |
| | | | | | | | | | Q | B Mott | 6 | 6 |
| | Marc Polmans | 4 | 7 | 6 | | | | | Q | B Mott | 6 | 6 |
| PR | Cedrik-Marcel Stebe | 6 | 5 | 0 | | | | |
| PR | Cedrik-Marcel Stebe | 6 | 5 | 0 | | M Polmans | 4 | 2 |
| | | | | | Q | B Mott | 6 | 6 |
| Q | Blake Mott | 6 | 6 | | Q | B Mott | 6 | 6 |
| 5 | Grega Žemlja | 2 | 3 | |

### Cuadro inferior

| Primera ronda | Primera ronda | Primera ronda | Primera ronda | Primera ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Segunda ronda | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Cuartos de final | Semifinales | Semifinales | Semifinales | Semifinales |
| 6 | Ruben Bemelmans | 6 | 6 | |
| SE | Lloyd Harris | 3 | 4 | |
| SE | Lloyd Harris | 3 | 4 | | 6 | R Bemelmans | 4 | 6 | 3 |
| | | | | | WC | K Uesugi | 6 | 3 | 6 |
| | Yasutaka Uchiyama | 4 | 6 | 3 | WC | K Uesugi | 6 | 3 | 6 |
| WC | Kaito Uesugi | 6 | 1 | 6 | | | | | |
| WC | Kaito Uesugi | 6 | 1 | 6 | | | | | | WC | K Uesugi | 7$^7$ | 2 | 6$^2$ |
| | | | | | | | | | | | T Ito | 6$^3$ | 6 | 7$^7$ |
| | Joris De Loore | 6$^3$ | 1 | | | | | | | | T Ito | 6$^3$ | 6 | 7$^7$ |
| | Tatsuma Ito | 7$^7$ | 6 | | | | | | | | | | | |
| | Tatsuma Ito | 7$^7$ | 6 | | | T Ito | 6 | 6 | | | | | | |
| | | | | | 4 | G Soeda | 4 | 1 | | | | | | |
| | Hiroki Moriya | 4 | 4 | | 4 | G Soeda | 4 | 1 | | | | | | |
| 4 | Go Soeda | 6 | 6 | | | | | | | | | | | |
| 4 | Go Soeda | 6 | 6 | | | | | | | | | | | | | T Ito | 4 | 4 |
| | | | | | | | | | | | | | | | Q | S-w Kwon | 6 | 6 |
| 8 | Andrew Whittington | 6$^5$ | 6 | 6 | | | | | | | | | | | Q | S-w Kwon | 6 | 6 |
| WC | Sora Fukuda | 7$^7$ | 4 | 2 | | | | | | | | | | |
| WC | Sora Fukuda | 7$^7$ | 4 | 2 | 8 | A Whittington | 6 | 7$^7$ | | | | | | |
| | | | | | Q | T Niki | 4 | 6$^5$ | | | | | | |
| Q | Takuto Niki | 6 | 6 | | Q | T Niki | 4 | 6$^5$ | | | | | | |
| WC | Masato Shiga | 1 | 1 | | | | | | | | | | | |
| WC | Masato Shiga | 1 | 1 | | | | | | | 8 | A Whittington | 4 | 4 | |
| | | | | | | | | | | Q | S-w Kwon | 6 | 6 | |
| Q | Kwon Soon-woo | 6 | 7$^7$ | | | | | | | Q | S-w Kwon | 6 | 6 | |
| | Jason Jung | 3 | 6$^2$ | | | | | | |
| | Jason Jung | 3 | 6$^2$ | | Q | S-w Kwon | 7$^7$ | 6 | |
| | | | | | | Z Li | 6$^5$ | 3 | |
| | Li Zhe | 6 | 7$^7$ | | | Z Li | 6$^5$ | 3 | |
| 2 | Henri Laaksonen | 3 | 6$^5$ | |