Botic Van De Zandschulp vs Adolfo Daniel VallejoWinston-Salem Round of 32

Winston-Salem · ATP · Round of 32
#71ATP
1743ELO
1711Hard ELO
$690kYTD
$6.6MCAREER
30 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLWWLWWWL
2 — 0
Sets
Tuesday, 25 August 2026 ·
hard
Court 3 · 1st on
#61ATP
1740ELO
1520Hard ELO
$407kYTD
$665kCAREER
22 yrs · 183 cm · Right-handed
Last 10 · pre-match
WLWWLLLWWW
Van De Zandschulp B.
6-2 6-0
Vallejo A.
Van De Zandschulp B.
662
Vallejo A.
200

Botic Van De Zandschulp defeated Adolfo Daniel Vallejo in the quarterfinals of the Winston-Salem tournament, winning 6-2, 6-0 on hard courts. Van De Zandschulp did not commit any double faults and converted all his break points, while Vallejo was 0-for on break points. Van De Zandschulp secured one service break in the match.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2026-07-15BastadR16clayAdolfo Daniel Vallejo6-4 3-6 6-7(4)

Statistics

This season
1st serve in·Even
62%
62%
1st serve points won·Even
73%
69%
2nd serve points won·Slight edge
46%
52%
Service points won·Even
63%
63%
Return points won·Slight edge
38%
45%
Break points saved·Even
60%
57%
Aces / match·Dominant
7.6
3.5
Double faults / match·Dominant
5.0
2.3

Averages over each player's completed matches in the selected window (25 vs 33). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
68
53
Break points saved·Clear edge
93
71
Break points won·Clear edge
51
65
Deciding sets·Even
82
85
Tiebreaks·Dominant
74
0

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

Win Probability

Pre-match · updated 15:50 UTC
Van De Zandschulp B.64%
Vallejo A.36%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Van De Zandschulp B. narrowly ahead

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

Umpiry Score

Pre-match
6.5
Marginal edgeUmpiry Score
4.8
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
7.4+191 Hard Elo edge
Surface ELO
2.6Hard Elo 1520
5.0Overall Elo 1743
ELO gap
5.0Overall Elo 1740
5.0First meeting on hard
H2H
5.0First meeting on hard
5.25 of last 10 on hard
Surface form
6.16 of last 10 on hard
0.0
Win streak
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
Country comfort
5.6Won 60% in Usa (20)
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play 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.

Freshness

Recent load
Freshness·Slight edge
76
85

Van De Zandschulp B.: 2 days rest · 3 matches, 50 games (7d) · Vallejo A.: 4 days rest · 2 matches, 27 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
29°CClear
Wind 6 km/hHumidity 40%

Draw