Yan Bai vs Duck Hee Lee — Gwangju CH Qualifying Round 1

Gwangju CH · CHALLENGER · Qualifying Round 1
CHN3
Yan Bai
#1489ATP
37 yrs · 185 cm · Right-handed
Last 10 · pre-match
LLLLLLLLWL
2 — 0
Sets
Monday, 21 April 2025
hard
KOR
Duck Hee Lee
28 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLLLWLWLL
Bai Y.
6-3 7-6
Lee D.
Bai Y.
6792
Lee D.
3670

Yan Bai defeated Duck Hee Lee 6-3 7-6 in the Gwangju CH qualifying round 1 on hard. The upset overturned the form book — Duck Hee Lee came in defending last year's round of 32.

Key context

  • Match story: Yan Bai closed it out in two sets, 6–3 7–6.

Head to head

No previous meetings on record.

Serve vs return

This season
Bai Y.serving74% hold

wins 60% of points on serve vs Lee D.

Lee D.serving64% hold

wins 56% of points on serve vs Bai Y.

Serve advantage — Bai Y.

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
Bai Y.Lee D.
1st serve in·Slight edge
57%
64%
1st serve points won·Slight edge
64%
55%
2nd serve points won·Even
42%
40%
Service points won·Even
54%
50%
Return points won·Even
37%
34%
Break points saved·Clear edge
38%
57%
Aces / match·Clear edge
2.4
0.8
Double faults / match·Even
4.2
4.5

Averages over each player's completed matches in the selected window (5 vs 6). ATP, WTA & Challenger.

Clutch

Under pressure
Bai Y.Lee D.
Clutch Rating·Clear edge
18
6
Break points saved·Slight edge
23
13
Break points won·Clear edge
17
30
Deciding sets·Dominant
73
18
Tiebreaks·Dominant
17
60

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Bai Y.
5.6
Slight disadvantageUmpiry ScorePartial · surface data limited
Lee D.
6.1
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
2.4
Surface form
4.2
0.0Lost last 4
Win streak
Fatigue & Travel
9.2
Minutes 14d
8.3
9.0
Prev. match
9.0
Context
5.0
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.

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Q2
Hsu Y.[2]
Bouzige M.
6-16-4
Simakin I.[8]
Durasovic V.[4]
6-26-2
Noguchi R.[5]
Samrej K.
6-46-4
Sharipov M.[6]
Ilagan A.
6-36-4
Uchida K.
Bai Y.[3]
W/O
Park U.
Bar Biryukov P.[11]
6-43-67-5
Q1
Bouzige M.
Nakagawa N.[12]
7-646-4
Park U.
Bolt A.[1]
6-35-76-4
Hsu Y.[2]
Roh H.
7-666-4
Bai Y.[3]
Lee D.
6-37-67
Simakin I.[8]
Campana Lee G.
6-46-4
Noguchi R.[5]
Rosenkranz M.
6-47-69
Samrej K.
Sun F.[7]
6-726-47-5
Ilagan A.
Langmo C.[10]
6-46-4
Bar Biryukov P.[11]
Nam J.
6-725-1
Uchida K.
Cui J.[9]
6-26-4
Durasovic V.[4]
Shin W.
6-737-636-0
Sharipov M.[6]
Jones H.
6-16-766-3