Coleman Wong vs Zachary Svajda — Birmingham CH Round of 16

Birmingham CH · CHALLENGER · Round of 16
HKG
Coleman Wong
#111ATP
1602ELO
1481Grass ELO
$287kYTD
$1.2MCAREER
22 yrs · 191 cm · Right-handed
Last 10 · pre-match
WLLLLWLWLL
2 — 1
Sets
Monday, 2 June 2025
grass
Zachary Svajda
USA
Zachary Svajda
#72ATP
1718ELO
1657Grass ELO
$631kYTD
$1.9MCAREER
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWWLWLLWLW
Wong C.
4-6 6-3 6-2
Svajda Z.
Wong C.
4662
Svajda Z.
6321

Coleman Wong defeated Zachary Svajda 4-6 6-3 6-2 in the Birmingham CH round of 16 on grass. The upset overturned the form book — Zachary Svajda came in ranked #72, leading the head-to-head 1–0. Coleman Wong claimed a first win over Zachary Svajda in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2024-07-01WimbledonQ1grassZachary Svajda6-4 6-4

Serve vs return

This season
Wong C.serving89% hold

wins 69% of points on serve vs Svajda Z.

Svajda Z.serving91% hold

wins 71% of points on serve vs Wong C.

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
Wong C.Svajda Z.
1st serve in·Even
62%
59%
1st serve points won·Even
73%
74%
2nd serve points won·Even
51%
54%
Service points won·Even
65%
65%
Return points won·Even
36%
38%
Break points saved·Even
61%
62%
Aces / match·Clear edge
8.8
6.6
Double faults / match·Even
2.1
1.9

Averages over each player's completed matches in the selected window (99 vs 80). ATP, WTA & Challenger.

Clutch

Under pressure
Wong C.Svajda Z.
Clutch Rating·Dominant
43
69
Break points saved·Even
91
89
Break points won·Dominant
5
66
Deciding sets·Dominant
43
69
Tiebreaks·Clear edge
88
75

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

Umpiry Score

Pre-match
Wong C.
4.2
Heavy underdogUmpiry ScorePartial · surface data limited
  • Surface jump clay↔grass (−0.8)
Svajda Z.
5.5
Slight disadvantageUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
3.0Grass Elo 1481
Surface ELO
7.0+176 Grass Elo edge
4.7Overall Elo 1602
ELO gap
5.3Overall Elo 1718
0.0
H2H
10.0
Surface form
5.0
0.0Lost last 2
Win streak
Fatigue & Travel
9.3
Minutes 14d
3.0
Surface transition
3.0
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
Wong C.Svajda Z.
Freshness·Even
89
86

Wong C.: 1 day rest · 1 match, 16 games (7d) · Svajda Z.: 10 days rest · 3 matches (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Final
Virtanen O.
Smith C.
6-46-4
Semi-finals
Smith C.
Hijikata R.[3]
6-36-4
Virtanen O.
Holt B.
6-44-67-63
Quarter-finals
Smith C.
Harris L.
6-36-736-4
Virtanen O.
Wong C.
6-27-5
Holt B.
Mannarino A.
6-46-3
Hijikata R.[3]
Bolt A.
7-626-4
R16
Smith C.
Moreno De Alboran N.
6-30-1
Mannarino A.
Jarry N.
7-666-3
Wong C.
Svajda Z.
4-66-36-2
Hijikata R.[3]
Watanuki Y.
6-16-3
Bolt A.
Tu L.
6-26-3
Virtanen O.
Huesler M.
6-36-766-1
Harris L.
Landaluce M.
6-46-2
Holt B.
Cassone M.
6-26-2
R32
Mannarino A.
Nishioka Y.[2]
7-613-2
Cassone M.
Evans D.
7-657-65
Harris L.
Clarke J.
6-43-66-4
Moreno De Alboran N.
Oconnell C.[5]
6-46-3
Bolt A.
Mcdonald M.[8]
6-47-63
Svajda Z.
Majchrzak K.[7]
6-47-63
Huesler M.
Mayot H.
7-616-4
Holt B.
Duckworth J.[6]
6-27-5
Watanuki Y.
Blockx A.
6-46-4
Wong C.
Monday J.
6-15-76-3
Virtanen O.
Vukic A.[4]
7-646-3
Tu L.
Spizzirri E.
6-36-3
Hijikata R.[3]
Harris B.
6-13-66-4
Landaluce M.
Bellucci M.[1]
4-66-47-65
Smith C.
Uchiyama Y.
6-26-736-4
Jarry N.
Schoolkate T.
6-786-46-4