Matthew Dellavedova defeated Taiyo Yamanaka in the quarterfinals of the M15 Tokyo 4 tournament, winning 6-1, 6-2 on hard courts. Dellavedova hit 3 aces and did not commit a double fault, while converting 80% of his break points and winning 77% of his first-serve points. Yamanaka was unable to capitalize on any break point opportunities and did not win a service game.
No previous meetings on record.
Averages over each player's completed matches in the selected window (12 vs 7). ATP, WTA & Challenger.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About