Tallon Griekspoor vs James Duckworth — Wimbledon Round of 128

Wimbledon · ATP · Round of 128
Tallon Griekspoor
NED
Tallon Griekspoor
#39ATP
1804ELO
1744Grass ELO
$946kYTD
$8.1MCAREER
29 yrs · 188 cm · Right-handed
Last 10
LLWLLWWLWW
—
Sets
Monday, 29 June 2026 ·
grass
James Duckworth
AUS
James Duckworth
#78ATP
1649ELO
1573Grass ELO
$479kYTD
$5.4MCAREER
34 yrs · 183 cm · Right-handed
Last 10
LLLWLWLLLW
Griekspoor T.
vs
Duckworth J.

Tallon Griekspoor faces James Duckworth in the Wimbledon round of 128 on grass. Tallon Griekspoor holds the paper edge — ranked #39, defending last year's round of 128, a roughly 170-point grass Elo advantage.

Win Probability

Pre-match · updated 13:20 UTC
Griekspoor T.82%
Duckworth J.18%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Griekspoor T. heavily favoured

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Umpiry Score

Pre-match
Griekspoor T.
6.9
Slight advantageUmpiry Score
Duckworth J.
5.5
Slight disadvantageUmpiry Score
Form & Matchup
7.1+170 Grass Elo edge
Surface ELO
2.9Grass Elo 1573
6.9Overall Elo 1804
ELO gap
3.1Overall Elo 1649
5.0No prior meetings
H2H
5.0No prior meetings
5.36 of last 10 on grass
Surface form
3.95 of last 10 on grass
0.0Lost last 2
Win streak
0.0Lost last 3
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
Country comfort
4.8Won 47% in GBR (30)
Context
6.0Reached the R128 here last year
Defending pts
6.0Reached the R128 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.

Form trajectory

Griekspoor T.Cooling
Duckworth J.Stable

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

21 vs 26 matches

Statistics

This season
Griekspoor T.Duckworth J.
1st serve in·Slight edge
63%
56%
1st serve points won·Even
72%
75%
2nd serve points won·Even
53%
53%
Service points won·Even
65%
65%
Return points won·Even
33%
34%
Break points saved·Clear edge
61%
74%
Aces / match·Slight edge
7.2
8.5
Double faults / match·Clear edge
2.8
3.7

Averages over each player's completed matches in the selected window (21 vs 26). ATP, WTA & Challenger.

Serve vs return

This season
Griekspoor T.serving93% hold

wins 72% of points on serve vs Duckworth J.

Duckworth J.serving93% hold

wins 73% of points on serve vs Griekspoor T.

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

Clutch

Under pressure
Griekspoor T.Duckworth J.
Clutch Rating·Clear edge
76
55
Break points saved·Even
99
97
Break points won·Dominant
34
4
Deciding sets·Clear edge
94
77
Tiebreaks·Clear edge
97
76

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

Freshness

Recent load
Griekspoor T.Duckworth J.
Freshness·Even
95
93

Griekspoor T.: 10 days rest · 1 match (14d) · Duckworth J.: 6 days rest · 1 match, 20 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
18°CPartly cloudy
Wind 9 km/hHumidity 55%

Head to head

No previous meetings on record.

Draw — qualifying

Quarter-finals
Semi-finals
Final
Comesana F.[1]
Moro Canas A.
6-46-754-6
Moreno De Alboran N.
Mayot H.
2-62-6
Sanchez Izquierdo N.
Kwon S.
6-773-6
Brancaccio R.
Gea A.[18]
5-73-6
Faria J.[2]
Grenier H.
6-36-3
Lajal M.
Pavlovic L.
4-64-6
Chidekh C.
Dougaz A.
4-64-6
Matusevich A.
Sakamoto R.[27]
6-766-33-6
Yunchaokete B.[3]
Dellien H.
6-46-0
Gomez F.
Tabur C.
3-64-6
Giustino L.
Onclin G.
3-65-7
Sachko V.
Mochizuki S.[21]
3-66-74
Wong C.[4]
Gojo B.
6-7102-6
Andrade A.
Smith C.
3-66-43-6
Djere L.
Houkes M.
6-47-5
Squire H.
Zheng M.[26]
2-66-73
Gaston H.[5]
Midon L.
4-66-36-4
Cadenasso G.
Cina F.
3-62-6
Smith K.
Ficovich J.
6-17-64
Butvilas E.
Echargui M.[29]
6-35-73-6
Basilashvili N.[6]
Ymer E.
6-23-66-78
Skatov T.
Barrena A.
6-37-64
Guerrieri A.
Goffin D.
3-67-56-2
Boscardin Dias P.
Jacquet K.[25]
1-66-73
Llamas Ruiz P.[7]
Added D.
6-26-4
Bailly G.
Martin Tiffon P.
4-64-6
Boyer T.
Olivieri G.
6-16-4
Clarke J.
Pellegrino A.[17]
6-26-754-6
Budkov Kjaer N.[8]
Reis Da Silva J.
6-46-766-1
Dodig M.
Ferreira Silva F.
3-67-607-65
Noguchi R.
Nardi L.
2-63-6
Virtanen O.
Martinez P.[19]
6-41-66-1
Rocha H.[9]
Mejia N.
4-67-662-6
Tseng C.
Heide G.
6-784-6
Prado Angelo J.
Evans D.
6-723-6
Monday J.
Schoolkate T.[28]
5-73-6
Maestrelli F.[10]
Basing M.
6-46-724-6
Gentzsch T.
Kolar Z.
6-36-3
Draxl L.
Bertola R.
6-26-731-6
Crawford O.
Rodionov J.[30]
4-64-6
Sweeny D.[11]
Roncadelli F.
6-46-2
Blanch D.
Blanchet U.
Herbert P.
Jubb P.
5-76-76
Cecchinato M.
Barrios Vera T.[20]
6-723-6
Diaz Acosta F.[12]
Galarneau A.
2-62-6
Tarvet O.
Bolt A.
7-637-5
Coria F.
Bonding O.
7-656-2
Hsu Y.
Sakellaridis S.[31]
4-62-6
Mcdonald M.[13]
Meligeni Alves F.
6-26-756-3
M. Ceban
Carballes Baena R.
2-64-6
Uchida K.
Tomic B.
3-62-6
Schwaerzler J.
C. O'Connell[32]
6-734-6
Gaubas V.[14]
Mmoh M.
4-66-36-2
Zhang Z.
Searle H.
3-64-6
Bax F.
Rodesch C.
7-641-64-6
Neumayer L.
Lajovic D.[22]
4-64-6
Safiullin R.[15]
Mccabe J.
6-37-64
Glinka D.
Coppejans K.
4-63-6
Kym J.
Bueno G.
4-67-56-1
Broady L.
Holmgren A.[24]
6-766-45-7
Travaglia S.[16]
Mikrut L.
7-57-63
Den Ouden G.
Zhou Y.
4-64-6
Piros Z.
Ivanov I.
6-26-2
Napolitano S.
Harris B.[23]
2-62-6
Moro Canas A.
Mayot H.
6-37-63
Kwon S.
Gea A.[18]
5-76-36-4
Faria J.[2]
Pavlovic L.
6-46-4
Dougaz A.
Sakamoto R.[27]
4-64-6
Yunchaokete B.[3]
Tabur C.
7-56-744-6
Onclin G.
Mochizuki S.[21]
2-66-43-6
Gojo B.
Smith C.
4-64-6
Djere L.
Zheng M.[26]
5-73-6
Gaston H.[5]
Cina F.
7-56-4
Smith K.
Echargui M.[29]
4-66-36-76
Ymer E.
Skatov T.
4-61-6
Guerrieri A.
Jacquet K.[25]
6-794-6
Llamas Ruiz P.[7]
Martin Tiffon P.
6-46-2
Boyer T.
Pellegrino A.[17]
6-26-1
Budkov Kjaer N.[8]
Dodig M.
6-27-64
Nardi L.
Virtanen O.
4-64-6
Mejia N.
Heide G.
6-46-3
Evans D.
Schoolkate T.[28]
5-70-6
Basing M.
Gentzsch T.
7-56-2
Bertola R.
Rodionov J.[30]
4-67-646-2
Sweeny D.[11]
Blanch D.
2-67-674-0
Jubb P.
Barrios Vera T.[20]
4-66-31-6
Galarneau A.
Tarvet O.
5-72-6
Coria F.
Sakellaridis S.[31]
3-64-6
Mcdonald M.[13]
Carballes Baena R.
6-46-4
Tomic B.
C. O'Connell[32]
4-64-6
Gaubas V.[14]
Searle H.
7-657-65
Rodesch C.
Lajovic D.[22]
2-64-6
Safiullin R.[15]
Coppejans K.
7-627-5
Kym J.
Holmgren A.[24]
6-46-3
Travaglia S.[16]
Zhou Y.
6-774-6
Piros Z.
Harris B.[23]
4-64-6
Moro Canas A.
Kwon S.
4-66-763-6
Faria J.[2]
Sakamoto R.[27]
7-634-66-36-4
Tabur C.
Mochizuki S.[21]
6-15-76-23-61-6
Smith C.
Zheng M.[26]
4-66-42-63-6
Gaston H.[5]
Echargui M.[29]
6-15-76-26-4
Skatov T.
Jacquet K.[25]
6-754-64-6
Llamas Ruiz P.[7]
Boyer T.
5-77-646-723-6
Budkov Kjaer N.[8]
Virtanen O.
6-44-64-65-7
Mejia N.
Schoolkate T.[28]
6-46-46-4
Basing M.
Bertola R.
2-66-43-67-56-2
Sweeny D.[11]
Barrios Vera T.[20]
4-66-47-650-66-2
Tarvet O.
Sakellaridis S.[31]
6-46-27-5
Mcdonald M.[13]
C. O'Connell[32]
6-36-46-4
Gaubas V.[14]
Lajovic D.[22]
3-66-43-66-36-4
Safiullin R.[15]
Kym J.
4-67-623-67-666-4
Zhou Y.
Harris B.[23]
6-16-722-63-6