Zhe Li defeated Peng Sun 6-4 6-7 7-5 in the China F4 qualifying round on hard. The upset overturned the form book — Peng Sun came in leading the head-to-head 2–0, but Zhe Li had been the form player, winning 6 of their last 10 on hard. Zhe Li claimed a first win over Peng Sun in three meetings, narrowing the head-to-head to 2–1.
Li Z. came through in three sets.
Zhe Li beat Peng Sun 6-4 6-7(5) 7-5. Umpiry, "Zhe Li vs Peng Sun — China F4 Qualifying Round", https://umpiry.com/match/2008-04-21/li-vs-sun-china-f4-qf?utm_source=cite (as of 21 April 2008).