Murkel Alejandro Dellien Velasco vs Ryan NijboerSion Round of 32

Sion · CHALLENGER · Round of 32
#335ATP
1379ELO
1368Clay ELO
28 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLLWWLWWLW
0 — 2
Sets
Tuesday, 18 August 2026 ·
clay
CLUB SIERRE - COURT 3 · 2nd on
#508ATP
27 yrs · 180 cm · Right-handed
Last 10 · pre-match
LLWWWWLWWL
Dellien Velasco M.
2-6 1-6
Nijboer R.
Dellien Velasco M.
210
Nijboer R.
662

Ryan Nijboer defeated Murkel Alejandro Dellien Velasco in the Round of 32 at the Sion tournament on clay. The match ended with a score of 6-2, 6-1 in Nijboer's favor.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
63%
60%
1st serve points won·Slight edge
63%
73%
2nd serve points won·Slight edge
46%
52%
Service points won·Slight edge
57%
64%
Return points won·Even
43%
39%
Break points saved·Even
57%
59%
Aces / match·Dominant
1.2
5.0
Double faults / match·Dominant
3.9
1.6

Averages over each player's completed matches in the selected window (19 vs 11). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
19
0
Break points saved·Slight edge
28
35
Break points won·Even
19
15
Deciding sets·Dominant
63
2
Tiebreaks·Clear edge
28
10

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

Win Probability

Pre-match · updated 08:50 UTC
Dellien Velasco M.34%
Nijboer R.66%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Nijboer R. narrowly ahead

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
6.2
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
3.54 of last 10 on clay
Surface form
5.76 of last 10 on clay
0.0Lost last 3
Win streak
0.0Lost last 2
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
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·Even
95
94

Dellien Velasco M.: 8 days rest · 2 matches (14d) · Nijboer R.: 9 days rest · 1 match (14d). Higher means fresher. About

Conditions

Weather
25°CPartly cloudy
Wind 10 km/hHumidity 55%

Draw