ATP Tokyo, Japan
Alex Michelsen surges past ailing Stefanos Tsitsipas in Tokyo; Tommy Paul cruises
Elsewhere Thursday, home favorite Yoshihito Nishioka saved two match points before edging Felix Auger-Aliassime.
Yoshihito Nishioka (JPN) hits a hot shot in the 2025 Adelaide Open First Round.
The wild card prevailed in a final-set tiebreaker Thursday, but struggled to get up following his hard-fought victory.
Nishioka is looking for his second ATP singles title of the year, the first being ATP Atlanta in July.