Overwatch Diamond Tier List — Rialto (7-Day)

Auto-generated Overwatch tier list on Rialto for Diamond players, built from 7 days of ranked play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Sat, 24 Oct 2026 10:16:59 GMT · data window 2026-10-18 → 2026-10-24

In Diamond ranks competitive Overwatch on Rialto, the current top picks are Doctrine, Sombra, Domina and Genji. Rankings combine win rate and pick rate over a 7-day window of ranked play, refreshed daily.

Map

Doctrine58.3% WR · 50.5% PR · 8.6% BR58.3% WR50.5% PR8.6% BR

Sombra56.5% WR · 22.1% PR · 39.9% BR56.5% WR22.1% PR39.9% BR

How tiers are computed

Pick-rate-weighted win rate and average pick rate are z-scored within this slice. Composite score = 0.7 * z(win_rate) + 0.3 * z(pick_rate). Heroes are sorted by score and bucketed by score percentile.

Pick-rate floor: heroes below 0.5% pick rate in the slice are excluded.
Score weights: 0.7 x z(win rate) + 0.3 x z(pick rate).
Tier cutoffs (by score percentile, of 54 eligible heroes): S = top 8% · A = top 17% · B = top 25% · C = top 25% · D = top 25%.

FREQUENTLY ASKED

Who is the best hero in Overwatch on Rialto for Diamond players?: Doctrine currently leads with a 58.3% win rate and 50.5% pick rate on Rialto. Sombra and Domina round out the top 3.
Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?: S-tier on Rialto: Doctrine, Sombra, Domina, Genji.
How is this Overwatch tier list calculated?: Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Diamond ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.
How often is the tier list updated?: Daily. The current snapshot covers competitive matches from 2026-10-18 to 2026-10-24 (7-day rolling window).

RELATED TIER LISTS

By role

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Other ranks

Bronze Silver Gold Platinum Emerald Master Grandmaster

Other maps

Numbani

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FREQUENTLY ASKED

Who is the best hero in Overwatch on Rialto for Diamond players?

Doctrine currently leads with a 58.3% win rate and 50.5% pick rate on Rialto. Sombra and Domina round out the top 3.

Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?

S-tier on Rialto: Doctrine, Sombra, Domina, Genji.

How is this Overwatch tier list calculated?

Heroes are scored from a weighted blend of win rate (70%) and pick rate (30%) across competitive matches in Diamond ranks, with a minimum pick rate of 0.5% to filter out off-meta noise. S/A/B/C/D cutoffs are percentile-based across the resulting score distribution.

How often is the tier list updated?

Daily. The current snapshot covers competitive matches from 2026-10-18 to 2026-10-24 (7-day rolling window).