Jan Lennard Struff vs Sebastian Baez — Wimbledon Round of 128

Wimbledon · ATP · Round of 128
Jan Lennard Struff
GER
Jan Lennard Struff
#77ATP
1692ELO
1623Grass ELO
$492kYTD
$13MCAREER
36 yrs · 193 cm · Right-handed
Last 10
LWLWLWLLLL
—
Sets
Monday, 29 June 2026 ·
grass
Sebastian Baez
ARG
Sebastian Baez
#56ATP
1760ELO
1546Grass ELO
$924kYTD
$6.9MCAREER
25 yrs · 170 cm · Right-handed
Last 10
WWWWWWWWWW
Struff J.
vs
Baez S.

Jan Lennard Struff faces Sebastian Baez in the Wimbledon round of 128 on grass. Jan Lennard Struff is the paper favourite — leading the head-to-head 1–0, defending last year's round of 32, a roughly 80-point grass Elo advantage — but Sebastian Baez rides a 10-match win streak.

Win Probability

Pre-match · updated 13:20 UTC
Struff J.57%
Baez S.43%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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
Struff J.
6.2
Even matchUmpiry Score
Baez S.
5.2
Clear underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
6.0+77 Grass Elo edge
Surface ELO
4.0Grass Elo 1546
4.1Overall Elo 1692
ELO gap
5.8Overall Elo 1760
5.0First meeting on grass
H2H
5.0First meeting on grass
5.05 of last 10 on grass
Surface form
2.23 of last 10 on grass
0.0
Win streak
10.010-match win streak
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
4.7Won 45% in GBR (20)
Country comfort
Surface transition
3.0Clay → Grass
Context
6.0Reached the R32 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

Struff J.Stable
Baez S.Surging

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

18 vs 34 matches

Statistics

This season
Struff J.Baez S.
1st serve in·Clear edge
60%
72%
1st serve points won·Slight edge
73%
65%
2nd serve points won·Even
50%
53%
Service points won·Even
64%
62%
Return points won·Even
37%
41%
Break points saved·Even
61%
63%
Aces / match·Dominant
7.6
1.9
Double faults / match·Clear edge
2.8
1.8

Averages over each player's completed matches in the selected window (18 vs 34). ATP, WTA & Challenger.

Serve vs return

This season
Struff J.serving83% hold

wins 65% of points on serve vs Baez S.

Baez S.serving86% hold

wins 67% of points on serve vs Struff J.

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
Struff J.Baez S.
Clutch Rating·Dominant
59
88
Break points saved·Even
99
96
Break points won·Dominant
21
86
Deciding sets·Dominant
62
90
Tiebreaks·Slight edge
91
85

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

Freshness

Recent load
Struff J.Baez S.
Freshness·Clear edge
78
100

Struff J.: 3 days rest · 2 matches, 50 games (7d) · Baez S.: 19 days rest. Higher means fresher. About

Conditions

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

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2024-04-08Monte Carlo MastersR64clayJan Lennard Struff1-6 7-6(3) 6-2

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