Shintaro Mochizuki defeated Taylor Fritz 0-6 6-4 7-6 in the Tokyo round of 16 on hard. The upset overturned the form book — Taylor Fritz came in ranked #12, defending the title.
Mochizuki S. came through in three sets.
Shintaro Mochizuki beat Taylor Fritz 0-6 6-4 7-6. Umpiry, "Shintaro Mochizuki vs Taylor Fritz — Tokyo Round of 16", https://umpiry.com/match/2023-10-16/fritz-vs-mochizuki-tokyo-r16?utm_source=cite (as of 16 October 2023).