Alexander Vasilev vs Niels ViskerPlovdiv Round of 32

Plovdiv · CHALLENGER · Round of 32
#606ATP
1467ELO
1415Clay ELO
19 yrs
Last 10
LWLLWWLWWL
Sets
Tuesday, 23 June 2026 ·
clay
#458ATP
1362ELO
1271Clay ELO
24 yrs · 191 cm · Right-handed
Last 10
LWLWLWWWLW
Vasilev A.
vs
Visker N.

Win Probability

Pre-match · updated 18:21 UTC
Vasilev A.65%
Visker N.35%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Vasilev A. 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
7.0
Strong advantageUmpiry Score
4.9
Heavy underdogUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
6.8+144 Clay Elo edge
Surface ELO
3.2Clay Elo 1271
6.3Overall Elo 1467
ELO gap
3.7Overall Elo 1362
5.0No prior meetings
H2H
5.0No prior meetings
5.56 of last 10 on clay
Surface form
4.04 of last 10 on clay
0.0
Win streak
0.0
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
Surface transition
3.0Grass → Clay
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.

Form trajectory

Vasilev A.Not enough recent matches
Visker N.Stable

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

4 vs 18 matches

Statistics

This season
1st serve in·Even
62%
59%
1st serve points won·Clear edge
58%
80%
2nd serve points won·Clear edge
39%
55%
Service points won·Clear edge
51%
70%
Return points won·Slight edge
41%
32%
Break points saved·Clear edge
58%
76%
Aces / match·Dominant
3.3
10.5
Double faults / match·Dominant
6.5
3.1

Averages over each player's completed matches in the selected window (4 vs 18). ATP, WTA & Challenger.

Serve vs return

This season
Vasilev A.serving71% hold

wins 59% of points on serve vs Visker N.

Visker N.serving84% hold

wins 66% of points on serve vs Vasilev A.

Serve advantage — Visker N.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Freshness

Recent load
Freshness·Slight edge
95
85

Vasilev A.: 11 days rest · 2 matches (14d) · Visker N.: 6 days rest · 2 matches, 47 games (7d). Higher means fresher. About

Conditions

Weather forecast
27°CMainly clear
Wind 1 km/hHumidity 44%

Head to head

No previous meetings on record.