Juan Pablo Varillas vs Jan Kumstat — Como Round of 32

Como · CHALLENGER · Round of 32
Juan Pablo Varillas
PER
Juan Pablo Varillas
#232ATP
1440ELO
1431Clay ELO
30 yrs · 185 cm · Right-handed
Last 10
LLWWWWWLWL
—
Sets
Monday, 31 August 2026 ·
clay
CZE4
Jan Kumstat
#186ATP
19 yrs · Right-handed
Last 10
WWWWWWWWWW
Varillas J.
vs
Kumstat J.

Juan Pablo Varillas faces Jan Kumstat in the Como round of 32 on clay. Jan Kumstat holds the paper edge — ranked #186.

Win Probability

Pre-match · updated 11:50 UTC
Varillas J.54%
Kumstat J.46%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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

Key context

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
Varillas J.
6.2
Even matchUmpiry ScorePartial · surface data limited
Kumstat J.
7.4
Dominant favouriteUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
7.07 of last 10 on clay
Surface form
10.010 of last 10 on clay
0.0Lost last 2
Win streak
10.017-match win streak
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
7.01 three-setter in 14 days
6.0Hard → Clay
Surface transition
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.

28 vs 10 matches

Statistics

This season
Varillas J.Kumstat J.
1st serve in·Even
57%
56%
1st serve points won·Slight edge
66%
72%
2nd serve points won·Slight edge
51%
58%
Service points won·Slight edge
60%
66%
Return points won·Even
42%
39%
Break points saved·Clear edge
59%
40%
Aces / match·Dominant
2.7
6.7
Double faults / match·Slight edge
1.5
2.1

Averages over each player's completed matches in the selected window (28 vs 10). ATP, WTA & Challenger.

Serve vs return

This season
Varillas J.serving69% hold

wins 58% of points on serve vs Kumstat J.

Kumstat J.serving73% hold

wins 60% of points on serve vs Varillas J.

Serve advantage — Kumstat J.

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
Varillas J.Kumstat J.
Freshness·Slight edge
88
81

Varillas J.: 6 days rest · 1 match, 34 games (7d) · Kumstat J.: 8 days rest · 6 matches (14d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather forecast
29°CMainly clear
Wind 4 km/hHumidity 47%

Head to head

No previous meetings on record.

Draw