Ryuso Tsujino defeated Ji Hyeob Shin 6-4 6-1 in the China Masters 4 round of 16 on hard. The result followed the form book — Ryuso Tsujino came in leading the head-to-head 1–0. Ryuso Tsujino extended the head-to-head to 2–0.
Tsujino R. took it in straight sets.
Ryuso Tsujino beat Ji Hyeob Shin 6-4 6-1. Umpiry, "Ryuso Tsujino vs Ji Hyeob Shin — China Masters 4 Round of 16", https://umpiry.com/match/1993-06-14/shin-vs-tsujino-china-masters-4-r16?utm_source=cite (as of 14 June 1993).