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

Ana currently leads with a 51.5% win rate and 46.9% pick rate on Rialto. Zenyatta and Ashe round out the top 3.

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

S-tier on Rialto: Ana, Zenyatta, Ashe, Pharah.

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 2026-08-09 to 2026-09-07 (30-day rolling window).

Overwatch Diamond Tier List on Rialto (30-day)

Auto-generated Overwatch tier list on Rialto for Diamond players, derived from a 30-day window of ranked play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Mon, 07 Sep 2026 08:02:24 GMT · data window 2026-08-09 → 2026-09-07

In Diamond ranks competitive Overwatch on Rialto, the current top picks are Ana, Zenyatta, Ashe and Pharah. Rankings combine win rate and pick rate over a 30-day window of ranked play, refreshed daily.

Map

Ana51.5% WR · 46.9% PR · 8.4% BR51.5% WR46.9% PR8.4% BR

Zenyatta55.2% WR · 14.0% PR · 3.2% BR55.2% WR14.0% PR3.2% 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 53 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?: Ana currently leads with a 51.5% win rate and 46.9% pick rate on Rialto. Zenyatta and Ashe round out the top 3.
Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?: S-tier on Rialto: Ana, Zenyatta, Ashe, Pharah.
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 2026-08-09 to 2026-09-07 (30-day rolling window).

RELATED TIER LISTS

By role

tank damage support

Other ranks

Bronze Silver Gold Platinum Emerald Master Grandmaster

Other maps

Numbani

Loading…