Spencer Johnson vs Erik ArutiunianTiburon Qualifying Round of 16

Tiburon · CHALLENGER · Qualifying Round of 16
#451ATP
$55kYTD
$63kCAREER
23 yrs
Last 10
WLLWWWWWLL
Sets
Monday, 14 September 2026 ·
hard
BAKER MCKENZIE COURT · 2nd on
#609ATP
$4kYTD
$62kCAREER
21 yrs · 191 cm · Right-handed
Last 10
WLWWWWLLWW
Johnson S.
vs
Arutiunian E.

Spencer Johnson faces Erik Arutiunian in the Tiburon qualifying round of 16 on hard. Spencer Johnson holds the paper edge — ranked #451. Recent hard form is closely matched.

Win Probability

Pre-match · updated 12:50 UTC
Johnson S.48%
Arutiunian E.52%
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
5.2
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
5.4
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
6.16 of last 10 on hard
Surface form
7.17 of last 10 on hard
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
6.8Won 80% in USA (55)
Country comfort
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.

7 vs 4 matches

Statistics

This season
1st serve in·Clear edge
68%
55%
1st serve points won·Even
71%
69%
2nd serve points won·Even
59%
57%
Service points won·Even
67%
63%
Return points won·Even
38%
38%
Break points saved·Slight edge
68%
62%
Aces / match·Clear edge
9.1
7.0
Double faults / match·Dominant
2.0
3.8

Averages over each player's completed matches in the selected window (7 vs 4). ATP, WTA & Challenger.

Serve vs return

This season
Johnson S.serving86% hold

wins 67% of points on serve vs Arutiunian E.

Arutiunian E.serving81% hold

wins 64% of points on serve vs Johnson S.

Serve advantage — Johnson S.

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
79
89

Johnson S.: 1 day rest · 1 match, 27 games (7d) · Arutiunian E.: 1 day rest · 1 match, 16 games (7d). Higher means fresher. About

When it starts

2nd on BAKER MCKENZIE COURT · Followed By · 1 match still to finish ahead

  1. 1Baris O. v Zhu E.
  2. 2Johnson S. v Arutiunian E.This match
  3. 3Shelbayh A. v Zink T.
  4. 4Boyer T. v Winter E.

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather forecast
23°CClear
Wind 10 km/hHumidity 52%

Head to head

No previous meetings on record.

Draw