GoodIdxThe Goodness Index
Jannik Sinner

Jannik Sinner

Professional tennis player

ItalyBorn 2001otherATP TourItalian Davis Cup teamJannik Sinner Foundation
35
LOW

of 100 · improving trend · Some good traits but inconsistent

Standing

35/100

Raw Score

29/85

Confidence

70%

Evidence

Strong with some contested interpretation

About

Sinner's public record is strongest on discipline under pressure, recovery from controversy, and recent efforts to direct his platform toward children through a foundation. The largest negative factor is the 2025 anti-doping suspension tied to clostebol exposure through his entourage, which did not amount to intentional doping but still counts as a real integrity blemish.

The evidence supports a mixed but more-positive-than-negative profile: exceptional competitive resilience, some credible social-care action through his foundation, very limited public evidence on belief and worship, and a still-contested integrity record because of the doping case and the criticism around its resolution.

Five Pillars

Pillar scores (0–100%)

Core Worldview20%(5/25)
Contribution to Others27%(8/30)
Personal Discipline30%(3/10)
Reliability40%(2/5)
Stability Under Pressure73%(11/15)

The observable record points to a high-performance athlete with unusual calm under pressure and a recent child-focused giving effort, but the profile stays cautious because the 2025 ban remains a real integrity hit and public evidence on spiritual commitments is very limited.

Goodness over time

Starts at 100 at birth, natural decay after accountability age, timeline events adjust the trajectory.

17 Criteria Scores

Individual item scores (0–5) with evidence notes

Core Worldview

Belief in god1/5

See structured timeline and summary for public evidence.

Belief in accountability last day1/5

See structured timeline and summary for public evidence.

Belief in unseen order1/5

See structured timeline and summary for public evidence.

Belief in revealed guidance1/5

See structured timeline and summary for public evidence.

Belief in prophets as examples1/5

See structured timeline and summary for public evidence.

Contribution to Others

Helps relatives1/5

See structured timeline and summary for public evidence.

Helps orphans or unsupported young people3/5

See structured timeline and summary for public evidence.

Helps the poor or stuck2/5

See structured timeline and summary for public evidence.

Helps travelers strangers or cut off people1/5

See structured timeline and summary for public evidence.

Helps people who ask directly1/5

See structured timeline and summary for public evidence.

Helps free people from constraint0/5

See structured timeline and summary for public evidence.

Personal Discipline

Prays consistently1/5

See structured timeline and summary for public evidence.

Gives obligatory charity2/5

See structured timeline and summary for public evidence.

Reliability

Keeps promises agreements contracts commitments and clear communication2/5

See structured timeline and summary for public evidence.

Stability Under Pressure

Patient during financial difficulty2/5

See structured timeline and summary for public evidence.

Patient during personal hardship4/5

See structured timeline and summary for public evidence.

Patient during conflict pressure fear or battlefield moments5/5

See structured timeline and summary for public evidence.

Timeline

Key events and documented turning points

2019

Won the Next Gen ATP Finals as a teenager

Sinner became the youngest Italian to win a tour-level title run of this scale, announcing himself as a major tennis prospect.

Established a pattern of rapid rise through disciplined development.

medium
2023

Led Italy to its first Davis Cup title since 1976

After helping beat Novak Djokovic in the semi-finals, Sinner defeated Alex de Minaur to clinch Italy's Davis Cup triumph.

Strengthened his record of delivering under extreme pressure in team competition.

high
2024

Became the first Italian singles world No. 1 in ATP rankings history

ATP confirmed Sinner reached No. 1 after a surge that included his first Australian Open title and the Miami Masters crown.

Marked a historic career breakthrough built on sustained performance and work ethic.

high
2025

Accepted a three-month WADA ban after the clostebol case

WADA announced a case resolution agreement under which Sinner accepted a three-month period of ineligibility for an anti-doping rule violation after positive tests in 2024. WADA said the case was far from intentional doping, but the ban still attached responsibility for his entourage's negligence and triggered criticism from peers about favoritism.

Created the clearest negative mark in his public record and left an enduring integrity dispute even without a finding of intentional cheating.

high
2025

Launched the Jannik Sinner Foundation

Sinner launched a foundation focused on childhood education and access to sport, with an explicit mission to back school projects, sports organisations, and community initiatives for children.

Turned a growing platform into a structured child-focused giving vehicle.

medium
2026

Became the first man to win five consecutive Masters 1000 titles

ATP reported that Sinner's Madrid title made him the first player in series history to win five straight Masters 1000 events, and he arrived in Rome as the No. 1 seed with a 30-2 record for the 2026 season.

Confirmed elite current form and sustained excellence after the controversy period.

high

Pressure Tests

Behavior under crisis or scrutiny

2023 Davis Cup knockout pressure

2023

Italy depended on Sinner in a national-team elimination setting against top opponents.

Response: He delivered decisive wins and helped secure Italy's first Davis Cup title in decades.

strong resilience

2025 doping-case strain

2025

Sinner said he felt uncomfortable in the locker room during the unresolved doping case and considered stepping away from tennis.

Response: He served the suspension, returned to competition, and quickly rebuilt results at the highest level.

strong resilience with unresolved reputation damage

Progression

crisis years

Competitive dominance was interrupted by the clostebol case and a damaging public-integrity dispute.

downward

current stage

He remains one of the strongest players in the world, with public recovery in results outpacing moral clarity in the controversy record.

improving

early years

A very fast ascent driven by disciplined training and composure beyond his age.

upward

growth years

The prospect phase became elite proof through major-team and ranking milestones.

upward

Behavioral Patterns

Positive

  • Repeated calm under elite competitive pressure
  • Strong national-team delivery for Italy
  • Recent move to institutionalize help for children through a foundation

Concerns

  • Integrity judgment is materially complicated by the 2025 anti-doping suspension
  • Belief and worship dimensions remain low-observability areas
  • Most philanthropy evidence is new rather than long-established

Evidence Quality

9

Strong

3

Medium

0

Weak

Overall: strong_with_some_contested_interpretation

This profile evaluates observable public behavior and evidence, not the state of a person's soul.