Ilia Simakin vs Yi Zhou — Busan CH Qualifying Round 1

Busan CH · CHALLENGER · Qualifying Round 1
RUS6
Ilia Simakin
#304ATP
1463ELO
1505Hard ELO
22 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWLWWLLLLL
2 — 1
Sets
Monday, 14 April 2025
hard
CHN
Yi Zhou
#240ATP
1456ELO
1445Hard ELO
21 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWWLWWLWWW
Simakin I.
4-6 7-5 6-1
Zhou Y.
Simakin I.
4762
Zhou Y.
6511

Ilia Simakin defeated Yi Zhou 4-6 7-5 6-1 in the Busan CH qualifying round 1 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Simakin I.serving85% hold

wins 66% of points on serve vs Zhou Y.

Zhou Y.serving82% hold

wins 64% of points on serve vs Simakin I.

Even serve battle

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
Simakin I.Zhou Y.
1st serve in·Even
62%
62%
1st serve points won·Even
73%
72%
2nd serve points won·Even
52%
51%
Service points won·Even
65%
64%
Return points won·Even
39%
38%
Break points saved·Even
65%
63%
Aces / match·Even
6.8
6.4
Double faults / match·Even
2.6
2.5

Averages over each player's completed matches in the selected window (75 vs 60). ATP, WTA & Challenger.

Clutch

Under pressure
Simakin I.Zhou Y.
Clutch Rating·Dominant
58
13
Break points saved·Even
87
87
Break points won·Clear edge
26
13
Deciding sets·Dominant
79
1
Tiebreaks·Dominant
70
14

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

Umpiry Score

Pre-match
Simakin I.
5.8
Slight disadvantageUmpiry Score
  • Extended break: 35 days (−0.7)
Zhou Y.
3.7
Heavy underdogUmpiry Score
  • Extended break: 70 days (−1.2)
Form & Matchup
6.5+60 Hard Elo edge
Surface ELO
3.5Hard Elo 1445
6.6Overall Elo 1463
ELO gap
3.4Overall Elo 1456
5.0No prior meetings
H2H
5.0
6.6
Surface form
3.4
0.0Lost last 2
Win streak
0.0Lost last 3
Context
5.0
Defending pts
5.0

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
Simakin I.Zhou Y.
Freshness·Even
67
68

Simakin I.: 3 days rest · 2 matches, 56 games (7d) · Zhou Y.: 1 day rest · 3 matches, 65 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Q2
Durasovic V.[2]
Bar Biryukov P.[10]
6-756-06-2
Rosenkranz M.
Bouzige M.
6-26-776-2
Sin S.
Nakagawa N.[11]
6-17-65
Monday J.[3]
Langmo C.[8]
6-47-65
Sharipov M.[4]
Ilagan A.
6-36-4
Simakin I.[6]
Lee D.
6-26-2
Q1
Sharipov M.[4]
Nam J.
7-56-1
Ilagan A.
Imamura M.[9]
0-66-16-0
Durasovic V.[2]
Rai A.
6-27-5
Rosenkranz M.
Sun F.[5]
6-26-4
Bouzige M.
Cui J.[7]
6-37-61
Sin S.
Bai Y.[1]
6-36-2
Nakagawa N.[11]
Karlovskiy E.
2-66-36-2
Bar Biryukov P.[10]
Samrej K.
6-46-7107-5
Monday J.[3]
Moriya H.
6-16-3
Simakin I.[6]
Zhou Y.
4-67-56-1
Lee D.
Uchida K.[12]
6-46-4