内山靖崇選手が Ningbo Challenger Champion （寧波チャレンジャー）で優勝！ Welcome to the Top 100, @yasutaka0805! Yasutaka Uchiyama ascends to a career-high No. 87 after lifting the in Ningbo. pic.twitter.com/SynkzSyEhV — ATP Challenger Tou…