Junhan Zhang vs R. Kosaka — W15 Luan 5 Round of 16
W15 Luan 5 · ITF · Round of 16
2 — 0
Sets
Thursday, 16 July 2026 ·
hard
JPNR. Kosaka
56 yrs
Last 10 · pre-match
WLLW
Zhang J.6-1 6-4
Kosaka R.
Zhang J.
662
Kosaka R.
140
Junhan Zhang defeated R. Kosaka 6-1, 6-4 in the Round of 16 at the W15 Luan 5 hard court tournament. Zhang hit one ace and no double faults, while Kosaka had no aces and five double faults. Zhang converted 30% of break points and won 80% of first-serve points, breaking Kosaka's serve three times en route to the win.
Key context
- Match story: Junhan Zhang dropped just 5 games past R. Kosaka.
Head to head
No previous meetings on record.
Statistics
This seasonZhang J.Kosaka R.
1st serve in·
53%
—
1st serve points won·
64%
—
2nd serve points won·
48%
—
Service points won·
56%
—
Return points won·
45%
—
Break points saved·
52%
—
Aces / match·
3.2
—
Double faults / match·
2.6
—
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Umpiry Score
Pre-match5.5
Slight disadvantageUmpiry ScorePartial · surface data limitedKosaka R.
6.0
Even matchUmpiry ScorePartial · surface data limitedForm & Matchup
5.0No prior meetings
H2H5.0No prior meetings
4.75 of last 10 on hard
Surface form0.0Lost last 2
Win streakContext
5.0Didn't play here last year
Defending pts5.0Didn't play here last year
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.
Conditions
Weather
22°CClear
Wind 12 km/hHumidity 56%