Yu Hsiou Hsu vs Adolfo Daniel Vallejo — Lyon CH Round of 16

Lyon CH · CHALLENGER · Round of 16
Yu Hsiou Hsu
TPE
Yu Hsiou Hsu
#210ATP
1489ELO
1407Clay ELO
27 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLWLWLLWLW
2 — 0
Sets
Monday, 9 June 2025
clay
Adolfo Daniel Vallejo
PAR
Adolfo Daniel Vallejo
#71ATP
1740ELO
1708Clay ELO
$396kYTD
$653kCAREER
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
WLWLLLWLWW
Hsu Y.
6-4 6-1
Vallejo A.
Hsu Y.
662
Vallejo A.
410

Yu Hsiou Hsu defeated Adolfo Daniel Vallejo 6-4 6-1 in the Lyon CH round of 16 on clay. The upset overturned the form book — Adolfo Daniel Vallejo came in ranked #71.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Hsu Y.serving61% hold

wins 55% of points on serve vs Vallejo A.

Vallejo A.serving68% hold

wins 57% of points on serve vs Hsu Y.

Baseline battle — serve is shaky, expect plenty of breaks

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
Hsu Y.Vallejo A.
1st serve in·Even
66%
62%
1st serve points won·Even
66%
67%
2nd serve points won·Even
51%
51%
Service points won·Even
61%
61%
Return points won·Even
40%
43%
Break points saved·Even
58%
60%
Aces / match·Even
2.9
2.5
Double faults / match·Slight edge
2.1
2.8

Averages over each player's completed matches in the selected window (80 vs 102). ATP, WTA & Challenger.

Clutch

Under pressure
Hsu Y.Vallejo A.
Clutch Rating·Clear edge
36
53
Break points saved·Even
74
71
Break points won·Dominant
4
65
Deciding sets·Dominant
50
85
Tiebreaks·Dominant
77
0

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

Umpiry Score

Pre-match
Hsu Y.
4.9
Heavy underdogUmpiry Score
Vallejo A.
6.7
Slight advantageUmpiry Score
Form & Matchup
0.9Clay Elo 1407
Surface ELO
9.1+302 Clay Elo edge
2.1Overall Elo 1489
ELO gap
7.9Overall Elo 1740
5.0No prior meetings
H2H
5.0
2.3
Surface form
3.3
0.0
Win streak
0.0
Fatigue & Travel
7.0
Minutes 14d
6.3
3-set count
7.0
9.0
Prev. match
8.0
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
Hsu Y.Vallejo A.
Freshness·
—
91

Vallejo A.: 5 days rest · 2 matches, 32 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Trungelliti M.[8]
Merida Aguilar D.
6-34-66-3
Struff J.[6]
Broady L.
6-46-4
Semi-finals
Merida Aguilar D.
Onclin G.
6-36-1
Trungelliti M.[8]
Tabur C.
6-17-5
Broady L.
Paris T.
7-656-4
Struff J.[6]
Added D.
1-67-656-2
Quarter-finals
Onclin G.
Carreno Busta P.[1]
6-46-2
Trungelliti M.[8]
Kuzmanov D.
3-66-36-4
Tabur C.
Hsu Y.
6-47-63
Merida Aguilar D.
Van Assche L.
6-46-3
Broady L.
Dodig M.
6-32-66-4
Struff J.[6]
Kopriva V.[2]
6-16-2
Added D.
Jacquet K.
7-644-66-4
Paris T.
Kukushkin M.
6-36-2
R16
Hsu Y.
Vallejo A.
6-46-1
Onclin G.
Poullain L.
7-57-64
Tabur C.
Gea A.
3-66-46-0
Kuzmanov D.
Cazaux A.[3]
7-56-1
Merida Aguilar D.
Squire H.
3-66-16-4
Van Assche L.
Blancaneaux G.
6-47-5
Carreno Busta P.[1]
Barranco Cosano J.
6-16-3
Trungelliti M.[8]
Gakhov I.
2-66-46-3
Paris T.
Djere L.[1]
7-657-63
Kukushkin M.
Van Assche L.
6-27-65
Broady L.
Hanfmann Y.[7]
7-656-4
Jacquet K.
Durasovic V.
6-26-4
Struff J.[6]
Lajal M.
6-46-2
Kopriva V.[2]
Maestrelli F.
6-36-3
Added D.
Berkieta T.
6-46-1
Dodig M.
Fery A.
7-56-3
R32
Onclin G.
Ficovich J.[5]
7-56-3
Van Assche L.
Vrbensky M.
1-66-16-4
Kuzmanov D.
Paris T.
7-57-65
Cazaux A.[3]
Janvier M.
6-36-3
Gea A.
Geerts M.
6-46-3
Trungelliti M.[8]
Moro Canas A.
6-26-3
Merida Aguilar D.
Jacquet K.[4]
6-46-4
Vallejo A.
Martineau M.
7-57-5
Blancaneaux G.
Nagal S.[6]
6-47-64
Barranco Cosano J.
Martin Tiffon P.
6-42-2
Gakhov I.
Dellavedova M.
2-1
Hsu Y.
Moller E.[2]
6-26-3
Tabur C.
Hemery C.[7]
6-46-2
Carreno Busta P.[1]
Droguet T.
7-636-3
Squire H.
Alvarez Varona N.
6-37-5
Poullain L.
Legout T.
6-47-66
Added D.
Galarneau A.
6-47-63
Djere L.[1]
Blanchet U.
6-45-76-4
Paris T.
Hassan B.
6-36-4
Van Assche L.
Onclin G.
6-36-0
Dodig M.
Schoolkate T.[4]
7-53-66-4
Jacquet K.
Droguet T.
6-746-36-3
Lajal M.
Blancaneaux G.
3-66-16-2
Maestrelli F.
Gueymard Wayenburg S.
6-21-66-1
Fery A.
Pavlovic L.
6-17-5
Kukushkin M.
Harris B.[8]
7-627-5
Broady L.
Passaro F.
6-37-5
Hanfmann Y.[7]
Kumstat J.
6-16-3
Berkieta T.
Tirante T.[5]
6-26-1
Durasovic V.
Mochizuki S.[3]
6-44-66-3
Struff J.[6]
Zhukayev B.
6-757-616-4
Kopriva V.[2]
Gea A.
6-26-2