The 2023 Keio Challenger was a professional tennis tournament played on hard courts. It was the 16th (men's) and 6th (women's) editions of the tournament...

The Keio Challenger is a professional tennis tournament played on hardcourts. It is currently part of the ATP Challenger Tour and the ITF Women's Circuit...

Walkover r = Retired d = Defaulted SR = Special ranking "Gonzales, Cornea win doubles title at Yokohama Keio Challenger | Philippine News Agency". Main draw...

The Yokohama Rubber Company, Limited (横浜ゴム株式会社, Yokohama Gomu Kabushiki-gaisha) is a Japanese manufacturing company based in Hiratsuka, Japan. The company...

Professionals (ATP) Challenger Tour in 2023 was the secondary professional tennis circuit organized by the ATP. The 2023 ATP Challenger Tour calendar comprised...

The Keiō Line (京王線, Keiō-sen) is a 37.9-kilometer (23.5 mi) railway line in western Tokyo, Japan, owned by the private railway operator Keiō Corporation...

Keio Corporation (Japanese: 京王電鉄株式会社, Hepburn: Keiō Dentetsu Kabushiki-gaisha, 'Keio Electric Railway K.K') is a private railway operator in Tokyo, Japan...

The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments....

w/o = Walkover r = Retired d = Defaulted SR = Special ranking "Soonwoo Kwon Captures Maiden ATP Challenger Title In Yokohama". March 3, 2019. Main draw...

= Retired d = Defaulted SR = Special ranking "Soonwoo Kwon Captures Maiden ATP Challenger Title In Yokohama". March 3, 2019. Main draw Qualifying draw...