Kaichi Uchida vs Qian Sun — Zhangjiagang CH Qualifying Round 1

Zhangjiagang CH · CHALLENGER · Qualifying Round 1
Kaichi Uchida
JPN6
Kaichi Uchida
#259ATP
1355ELO
1331Hard ELO
31 yrs · 180 cm · Right-handed
Last 10 · pre-match
LLLLLLLLLL
2 — 0
Sets
Monday, 25 August 2025
hard
CHN
Qian Sun
#931ATP
25 yrs · 188 cm · Right-handed
Last 10 · pre-match
LLLLLLLWWL
Uchida K.
6-1 6-3
Sun Q.
Uchida K.
662
Sun Q.
130

Kaichi Uchida defeated Qian Sun 6-1 6-3 in the Zhangjiagang CH qualifying round 1 on hard. The result followed the form book — Kaichi Uchida came in ranked #259, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Uchida K.serving87% hold

wins 68% of points on serve vs Sun Q.

Sun Q.serving83% hold

wins 65% of points on serve vs Uchida K.

Serve-dominated — both hold easily, expect tiebreaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Uchida K.Sun Q.
1st serve in·Slight edge
58%
63%
1st serve points won·Slight edge
74%
67%
2nd serve points won·Slight edge
49%
44%
Service points won·Slight edge
64%
59%
Return points won·Even
34%
34%
Break points saved·Slight edge
61%
66%
Aces / match·Slight edge
6.5
5.8
Double faults / match·Dominant
2.7
5.5

Averages over each player's completed matches in the selected window (52 vs 4). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Uchida K.
4.2
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 70 days (−1.2)
Sun Q.
3.7
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 364 days (−1.5)
Form & Matchup
5.0No prior meetings
H2H
5.0
4.5
Surface form
3.0
0.0Lost last 2
Win streak
0.0Lost last 3
Fatigue & Travel
6.0
Surface transition
Context
6.0
Defending pts
6.0

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.

Freshness

Recent load
Uchida K.Sun Q.
Freshness·
92
—

Uchida K.: 5 days rest · 1 match, 19 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Q2
Huang T.[5]
Nam J.[11]
6-26-4
Charlton J.
Santillan A.[8]
7-645-76-4
Uesugi K.
Watt J.[7]
6-26-3
Kikuchi Y.[9]
Chen C.
6-46-3
Peliwo F.[4]
Liu H.
6-46-0
Uchida K.[6]
Yuzuki T.
6-46-2
Q1
Nam J.[11]
Kaliyanda Poonacha N.
6-40-0
Huang T.[5]
Nakagawa S.
6-36-4
Yuzuki T.
Leong M.[10]
6-33-66-2
Uesugi K.
Delaney J.[2]
W/O
Charlton J.
Rai A.[3]
6-41-0
Chen C.
Samrej K.[1]
1-66-44-0
Kikuchi Y.[9]
Tajima N.
6-37-5
Watt J.[7]
Watanabe S.
6-36-4
Santillan A.[8]
Zeng Y.
6-36-1
Peliwo F.[4]
Wang A.
6-26-1
Liu H.
Kusuhara Y.[12]
6-36-2
Uchida K.[6]
Sun Q.
6-16-3