Tennis tournament
The Keio Challenger is a professional tennis tournament played on hardcourts.[1] It is currently part of the ATP Challenger Tour and the ITF Women's Circuit.[2] Having been held in Yokohama, Japan since 1999, the women's edition of the event was introduced in 2017.[3][4]
- ^ "Yokohama Keio Challenger". ATP Tour. Retrieved November 17, 2024.
- ^ "大会概要". 横浜慶應チャレンジャー国際テニストーナメント (in Japanese). October 18, 2024. Retrieved November 17, 2024.
- ^ "大会について". 横浜慶應チャレンジャー国際テニストーナメント (in Japanese). Keio University Athletic Association Tennis Club. Retrieved November 17, 2024.
- ^ "日吉での国際テニス大会「慶應チャレンジャー2017」、3/12(日)まで開催". Yokohama Hiyoshi Shimbun (in Japanese). February 24, 2017. Retrieved November 17, 2024.