- Men's singles main draw entrants Seeds Other entrants
- Women's singles main draw entrants Seeds Other entrants
- Champions Men's Singles Women's Singles Men's Doubles Women's Doubles
- External links
{{Infobox tennis event|2019|Keio Challenger|
| date=25 February – 3 March (men's)
4 – 10 March (women's)
| edition=14th (men's)
3rd (women's)
| category = ATP Challenger Tour
ITF Women's World Tennis Tour
| surface=Hard
| location=Yokohama, Japan
| champms= {{flagicon|KOR}} Kwon Soon-woo
| champmd={{flagicon|TUN}} Moez Echargui / {{flagicon|TUN}} Skander Mansouri
| champws= {{flagicon|BEL}} Greet Minnen
| champwd={{flagicon|KOR}} Choi Ji-hee / {{flagicon|KOR}} Han Na-lae
}}The 2019 Keio Challenger was a professional tennis tournament played on hard courts. It was the fourteenth (men's) and third (women's) editions of the tournament and part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Yokohama, Japan between 25 February and 10 March 2019. Men's singles main draw entrantsSeeds| Country | Player | Rank1 | Seed |
|---|
| JPN}} | Tatsuma Ito | 132 | 1 | | GER}} | Oscar Otte | 156 | 2 | | JPN}} | Yūichi Sugita | 160 | 3 | | JPN}} | Hiroki Moriya | 177 | 4 | | GER}} | Mats Moraing | 184 | 5 | | AUT}} | Jurij Rodionov | 191 | 6 | | JPN}} | Go Soeda | 194 | 7 | | ISR}} | Dudi Sela | 195 | 8 | | SLO}} | Blaž Rola | 201 | 9 | | ITA}} | Gianluca Mager | 213 | 10 | | KOR}} | Kwon Soon-woo | 225 | 11 | | ARG}} | Pedro Cachín | 235 | 12 | | BRA}} | Guilherme Clezar | 237 | 13 | | CAN}} | Filip Peliwo | 238 | 14 | | SRB}} | Viktor Troicki | 243 | 15 | | FRA}} | Enzo Couacaud | 249 | 16 |
- 1 Rankings are as of 18 February 2019.
Other entrantsThe following players received wildcards into the singles main draw: - {{flagicon|JPN}} Shinji Hazawa
- {{flagicon|JPN}} Masamichi Imamura
- {{flagicon|JPN}} Naoto Kai
- {{flagicon|KOR}} Sung Yo-han
- {{flagicon|JPN}} Kaito Uesugi
The following player received entry into the singles main draw using a protected ranking: - {{flagicon|USA}} Daniel Nguyen
The following players received entry into the singles main draw using their ITF World Tennis Ranking: - {{flagicon|TUN}} Moez Echargui
- {{flagicon|RUS}} Ivan Gakhov
- {{flagicon|TUN}} Skander Mansouri
- {{flagicon|ESP}} David Pérez Sanz
The following players received entry from the qualifying draw: - {{flagicon|KOR}} Kim Cheong-eui
- {{flagicon|TPE}} Tseng Chun-hsin
The following player received entry as a lucky loser: - {{flagicon|JPN}} Shintaro Imai
Women's singles main draw entrantsSeeds| Country | Player | Rank1 | Seed |
|---|
| SRB}} | Ivana Jorović | 108 | 1 | | CHN}} | Liu Fangzhou | 173 | 2 | | SVK}} | Rebecca Šramková | 182 | 3 | | SUI}} | Ylena In-Albon | 183 | 4 | | CHN}} | Lu Jiajing | 186 | 5 | | SRB}} | Dejana Radanović | 195 | 6 | | KOR}} | Han Na-lae | 199 | 7 | | JPN}} | Ayano Shimizu | 206 | 8 |
- 1 Rankings are as of 25 February 2019.
Other entrantsThe following players received wildcards into the singles main draw: - {{flagicon|JPN}} Ayumi Hirata
- {{flagicon|JPN}} Anri Nagata
- {{flagicon|JPN}} Risa Ozaki
- {{flagicon|JPN}} Satoko Sueno
The following players received entry into the singles main draw using their ITF World Tennis Ranking: - {{flagicon|TPE}} Lee Hua-chen
- {{flagicon|THA}} Nudnida Luangnam
- {{flagicon|RUS}} Anna Morgina
- {{flagicon|JPN}} Naho Sato
- {{flagicon|RUS}} Anna Ureke
The following players received entry from the qualifying draw: - {{flagicon|JPN}} Mayuka Aikawa
- {{flagicon|JPN}} Shiho Akita
- {{flagicon|USA}} Catherine Harrison
- {{flagicon|JPN}} Kyōka Okamura
- {{flagicon|JPN}} Akiko Omae
- {{flagicon|JPN}} Risa Ushijima
ChampionsMen's Singles{{main article|2019 Keio Challenger – Men's Singles}}- {{flagicon|KOR}} Kwon Soon-woo def. {{flagicon|GER}} Oscar Otte 7–6(7–4), 6–3.
Women's Singles- {{flagicon|BEL}} Greet Minnen def. {{flagicon|ROU}} Elena-Gabriela Ruse, 6–4, 6–1
Men's Doubles{{main article|2019 Keio Challenger – Men's Doubles}}- {{flagicon|TUN}} Moez Echargui / {{flagicon|TUN}} Skander Mansouri def. {{flagicon|AUS}} Max Purcell / {{flagicon|AUS}} Luke Saville 7–6(8–6), 6–7(3–7), [10–7].
Women's Doubles- {{flagicon|KOR}} Choi Ji-hee / {{flagicon|KOR}} Han Na-lae def. {{flagicon|IND}} Rutuja Bhosale / {{flagicon|JPN}} Akiko Omae, 6–1, 7–5
External links- Official Website
- [https://www.itftennis.com/procircuit/tournaments/women's-tournament/info.aspx?tournamentid=1100045101 2019 Keio Challenger] at ITFtennis.com
{{2019 ATP Challenger Tour}}{{2019 ITF Women's World Tennis Tour}}{{DEFAULTSORT:Keio Challenger, 2019}} 6 : 2019 ATP Challenger Tour|2019 ITF Women's World Tennis Tour|2019 in Japanese sport|Keio Challenger|February 2019 sports events in Asia|March 2019 sports events in Asia |