Jan Lennard Struff vs Learner Tien — Miami Masters Qualifying Round 1

Miami Masters · ATP · Qualifying Round 1
Jan Lennard Struff
GER24
Jan Lennard Struff
#41ATP
1694ELO
1634Hard ELO
$492kYTD
$13MCAREER
36 yrs · 193 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
2 — 1
Sets
Monday, 20 March 2023
hard
Learner Tien
USA
Learner Tien
#15ATP
1941ELO
1904Hard ELO
$1.3MYTD
$4.4MCAREER
20 yrs · 180 cm · Left-handed
Last 10 · pre-match
LWLWLWWWWW
Struff J.
3-6 6-3 6-4
Tien L.
Struff J.
3662
Tien L.
6341

Jan Lennard Struff defeated Learner Tien 3-6 6-3 6-4 in the Miami Masters qualifying round 1 on hard. The upset overturned the form book — Learner Tien came in ranked #15.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Struff J.serving83% hold

wins 65% of points on serve vs Tien L.

Tien L.serving83% hold

wins 65% 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

Serve & return on hard

Struff J.Tien L.
36
Serve
32
40
Return
67

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
Struff J.Tien L.
1st serve in·Even
58%
62%
1st serve points won·Slight edge
76%
70%
2nd serve points won·Even
51%
52%
Service points won·Even
65%
63%
Return points won·Even
37%
39%
Break points saved·Even
64%
63%
Aces / match·Dominant
8.8
4.3
Double faults / match·Slight edge
3.4
3.7

Averages over each player's completed matches in the selected window (191 vs 152). ATP, WTA & Challenger.

Clutch

Under pressure
Struff J.Tien L.
Clutch Rating·Dominant
61
90
Break points saved·Even
99
97
Break points won·Dominant
21
83
Deciding sets·Dominant
68
100
Tiebreaks·Slight edge
94
100

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

Umpiry Score

Pre-match
Struff J.
6.0
Even matchUmpiry Score
Tien L.
7.2
Strong advantageUmpiry ScorePartial · surface data limited
Form & Matchup
1.9Hard Elo 1634
Surface ELO
8.1+270 Hard Elo edge
2.4Overall Elo 1694
ELO gap
7.6Overall Elo 1941
5.0No prior meetings
H2H
5.0
7.9
Surface form
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
0.6
Minutes 14d
8.7
4.0
3-set count
8.0
Prev. match
7.0
4.9
Country comfort
4.0
Context
6.0
Defending pts
5.0
Opponent rise
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
Struff J.Tien L.
Freshness·Clear edge
71
95

Struff J.: 7 days rest · 1 match, 34 games (7d) · Tien L.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
19°COvercast
Wind 18 km/hHumidity 73%
Q2
Vukic A.
Kovacevic A.[9]
6-37-64
Altmaier D.[8]
Blancaneaux G.
6-26-2
Borges N.[1]
Gojo B.[18]
6-46-767-66
Paire B.
Kokkinakis T.[6]
6-44-67-5
Kotov P.[15]
Albot R.[11]
6-26-3
Watanuki Y.[19]
Oconnell C.[2]
6-46-4
Struff J.[24]
Zhang Z.[5]
6-46-2
Safiullin R.[12]
Misolic F.
6-36-3
Garin C.[7]
Tabilo A.
7-656-1
Thompson J.[3]
Machac T.[21]
6-43-66-3
Meligeni Alves F.
Skatov T.
6-47-65
Eubanks C.[10]
Klein L.
6-726-37-64
Q1
Paire B.
Brouwer G.[17]
6-26-4
Blancaneaux G.
Hijikata R.[22]
3-66-36-4
Skatov T.
Gomez E.[4]
6-26-2
Kokkinakis T.[6]
Collarini A.
6-36-3
Misolic F.
Ugo Carabelli C.[20]
6-35-3
Kotov P.[15]
Wu T.
6-27-65
Klein L.
Arnaldi M.[14]
6-44-66-4
Zhang Z.[5]
Bellucci M.
6-16-3
Kovacevic A.[9]
Marterer M.
6-717-647-60
Vukic A.
Duckworth J.[13]
6-17-5
Albot R.[11]
Ymer E.
6-756-47-64
Thompson J.[3]
Olivo R.
6-26-1
Oconnell C.[2]
Hanfmann Y.
7-626-4
Garin C.[7]
Uchida K.
6-46-4
Gojo B.[18]
Holt B.
6-747-657-63
Eubanks C.[10]
Shelbayh A.
6-36-3
Struff J.[24]
Tien L.
3-66-36-4
Borges N.[1]
Johnson S.
6-46-4
Machac T.[21]
Klahn B.
6-46-4
Meligeni Alves F.
Basilashvili N.[16]
6-41-66-1
Tabilo A.
Shevchenko A.[23]
4-66-16-4
Safiullin R.[12]
Moreno De Alboran N.
4-66-36-2
Watanuki Y.[19]
Blockx A.
3-66-36-0
Altmaier D.[8]
Damm M.
7-57-63