Atlas / Player Profile SAMPLE DATA
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ATP #1 · Study Cohort

Jannik Sinner

2nd of 11 in cohort
Atlas Score
87 /100

What Atlas decoded.

01 Ritual Completeness
How consistently the player executes a full pre-serve ritual sequence.
91 /100
Cohort median: 74 Cohort best: 96
02 Reset Speed After Error
Time from an unforced error or double fault to the next serve motion.
Sinner
4.2s
Cohort median
7.1s
Fastest: 3.8s Slowest: 14.6s
03 Box-Look Frequency
Glances toward player box or coach between points, per set.
S1S2S3S4S5S6
Sinner   Cohort median (8.4)
04 Breathing Cadence
Estimated breaths per second during rallies. Lower = more controlled.
S1
S2
S3
S4
S5
Low (0.28 bps)
High (0.61 bps)
05 Posture Drift Across Sets
Posture score from upright (1.0) to slumped (0.0) tracked across sets.
1.0 0.7 0.4 0.1
Set 1Set 2Set 3Set 4Set 5
Sinner   Cohort median

Where Sinner sits.

Across all 5 signals relative to the Federer, Nadal, Djokovic, Alcaraz, Medvedev, Zverev, Swiatek, Sabalenka, Rybakina, Gauff, Sinner study group.

Ritual Completeness
91th
Reset Speed
86th
Box-Look Freq.
78th
Breathing Cadence
72th
Posture Stability
88th
Study cohort: Federer · Nadal · Djokovic · Alcaraz · Medvedev · Zverev · Swiatek · Sabalenka · Rybakina · Gauff · Sinner

3 prescriptions for the coaching staff.

01

Anchor the box-look spike in set 4.

Your box-look frequency rises from 2.1 to 6.4 glances/set between sets 3 and 4. This correlates with a 1.8x increase in reset time and predicts break-point vulnerability. Add a between-points breathing cue at the ad-court baseline -- 4 counts in, hold 2, out 4 -- to reduce the external-focus impulse before it compounds.

02

Protect your posture through the fifth set.

Your posture score trails off from 0.95 (set 1) to 0.88 (set 5) — 7 points — while the cohort median drops 17 points. You are already the most posture-stable player in the study, but long-match fatigue narrows your margin. Weekly loaded-carry sets (farmer's walk, 60% BW, 40m) would reinforce the thoracic extension pattern Atlas sees breaking down in extended rallies.

03

Leverage your ritual consistency as a pressure signal.

At 91/100, your ritual completeness score is the second-highest in the cohort. When you are under break-point pressure, your ritual timing variance drops to +/-0.4s -- meaning you become more precise, not less. Coaches should know: ritual disruptions (ball-toss re-dos, walk-offs) are a reliable early-warning sign, not noise. Log them.