Zhengyu Sun defeated Yan Cheng Chen 6-3 3-6 6-3 in the M15 Luan 7 round of 32 on hard. The result followed the form book — Zhengyu Sun came in leading the head-to-head 1–0. Zhengyu Sun extended the head-to-head to 2–0.
Sun Z. came through in three sets.
Zhengyu Sun beat Yan Cheng Chen 6-3 3-6 6-3. Umpiry, "Zhengyu Sun vs Yan Cheng Chen — M15 Luan 7 Round of 32", https://umpiry.com/match/2025-06-04/chen-vs-sun-m15-luan-7-r32?utm_source=cite (as of 4 June 2025).