Adolfo Daniel Vallejo vs Zizou BergsValencia Quarter-final

Valencia · CHALLENGER · Quarter-final
#72ATP
1740ELO
1708Clay ELO
$396kYTD
$653kCAREER
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLWWL
2 — 0
Sets
Friday, 15 May 2026 ·
clay
#37ATP
1808ELO
1696Clay ELO
$995kYTD
$4.0MCAREER
27 yrs · 185 cm · Right-handed
Last 10 · pre-match
LWWWWWWWLL
Vallejo A.
6-4 6-3
Bergs Z.
Vallejo A.
662
Bergs Z.
430

Adolfo Daniel Vallejo defeated Zizou Bergs 6-4 6-3 in the Valencia quarter-final on clay. The upset overturned the form book — Zizou Bergs came in ranked #37, but Adolfo Daniel Vallejo had arrived on a 7-match winning run.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Vallejo A.serving78% hold

wins 62% of points on serve vs Bergs Z.

Bergs Z.serving64% hold

wins 56% of points on serve vs Vallejo A.

Serve advantage — Vallejo A.

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
1st serve in·Slight edge
62%
57%
1st serve points won·Slight edge
68%
73%
2nd serve points won·Even
52%
53%
Service points won·Even
62%
64%
Return points won·Slight edge
45%
36%
Break points saved·Even
59%
63%
Aces / match·Dominant
3.1
7.0
Double faults / match·Dominant
2.3
4.1

Averages over each player's completed matches in the selected window (41 vs 25). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
53
69
Break points saved·Clear edge
71
95
Break points won·Dominant
65
21
Deciding sets·Slight edge
85
92
Tiebreaks·Dominant
0
91

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

Umpiry Score

Pre-match
6.2
Even matchUmpiry Score
  • Back-to-back day (−0.5)
5.9
Even matchUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
5.1+12 Clay Elo edge
Surface ELO
4.9Clay Elo 1696
4.4Overall Elo 1740
ELO gap
5.6Overall Elo 1808
5.0No prior meetings
H2H
5.0
8.9
Surface form
7.3
9.07-match win streak
Win streak
Fatigue & Travel
3-set count
7.0
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
Freshness·Slight edge
81
70

Vallejo A.: 2 days rest · 2 matches, 32 games (7d) · Bergs Z.: 7 days rest · 1 match, 54 games (7d). Higher means fresher. About