Daniel Yoo defeated Toshihide Matsui 7-6 6-3 in the Gimcheon CH qualifying round 1 on hard. The upset overturned the form book — Toshihide Matsui came in defending last year's round of 32, but Daniel Yoo had been the form player, winning 3 of their last 10 on hard.
No previous meetings on record.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (11 vs 65). ATP, WTA & Challenger.