Chun Hsin Tseng advanced to the quarterfinals of the Zhangjiagang hard-court tournament by defeating Yosuke Watanuki 7-5, 6-3 in the Round of 16. Tseng converted four service breaks to Watanuki's one, despite being broken on 25% of his break points compared to Watanuki's 33%. Tseng served three aces to Watanuki's five and did not commit a double fault, while Watanuki made eight.
Generated automatically from Umpiry match data.
Tseng C. took it in straight sets, with four breaks of serve.
Break of serve
Tseng C. and Watanuki Y. faced 1 of the same opponent in the last 12 months. Tseng C. went 0–1 (0%) against them, Watanuki Y. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Chun Hsin Tseng beat Yosuke Watanuki 7-5 6-3. Umpiry, "Chun Hsin Tseng vs Yosuke Watanuki — Zhangjiagang Round of 16", https://umpiry.com/match/2026-09-02/tseng-vs-watanuki-zhangjiagang-r16?utm_source=cite (as of 2 September 2026).