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

Ana currently leads with a 51.2% win rate and 45.1% pick rate on Rialto. Ashe and Zenyatta round out the top 3.

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

S-tier on Rialto: Ana, Ashe, Zenyatta, 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 2026-07-19 to 2026-07-25 (7-day rolling window).

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Overwatch Diamond Tier List on Rialto (7-day)

Auto-generated Overwatch tier list on Rialto for Diamond players, derived from a 7-day window of competitive play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Sat, 25 Jul 2026 16:10:16 GMT · data window 2026-07-19 → 2026-07-25

In Diamond competitive Overwatch on Rialto, the current S-tier picks are Ana, Ashe, Zenyatta and Pharah. Rankings combine win rate and pick rate over a 7-day window of ranked play, refreshed daily.

Map

Ana51.2% WR · 45.1% PR · 9.7% BR

Ashe54.3% WR · 19.1% PR · 3.4% BR

Zenyatta54.7% WR · 15.1% PR · 3.8% BR

Pharah55.4% WR · 4.2% PR · 8.4% BR

Freja54.7% WR · 7.8% PR · 18.1% BR

Widowmaker54.3% WR · 9.2% PR · 28.3% BR

Mauga53.6% WR · 6.4% PR · 34.4% BR

Soldier: 7651.2% WR · 18.9% PR · 0.9% BR

Reinhardt52.5% WR · 9.4% PR · 1.3% BR

Shion52.4% WR · 8.2% PR · 3.3% BR

Zarya52.4% WR · 6.2% PR · 31.3% BR

Baptiste51.6% WR · 11.3% PR · 0.3% BR

Sigma51.1% WR · 13.4% PR · 7.8% BR

Mercy51.0% WR · 13.2% PR · 15.6% BR

Anran51.8% WR · 6.5% PR · 8.1% BR

Kiriko47.8% WR · 34.3% PR · 4.3% BR

Doomfist51.3% WR · 8.8% PR · 13.4% BR

Jetpack-Cat51.3% WR · 7.7% PR · 10.0% BR

Domina51.8% WR · 4.0% PR · 2.9% BR

Mizuki50.6% WR · 11.0% PR · 13.4% BR

Juno50.2% WR · 14.1% PR · 0.1% BR

Hazard51.4% WR · 4.9% PR · 7.3% BR

Genji50.4% WR · 12.1% PR · 2.8% BR

Symmetra51.7% WR · 2.4% PR · 5.6% BR

Torbjörn51.2% WR · 4.6% PR · 0.7% BR

D.Va50.8% WR · 6.8% PR · 33.7% BR

Illari50.5% WR · 7.7% PR · 0.5% BR

Hanzo50.0% WR · 8.0% PR · 1.3% BR

Mei50.1% WR · 7.6% PR · 2.4% BR

Wuyang50.1% WR · 7.2% PR · 0.4% BR

Echo50.3% WR · 4.6% PR · 0.5% BR

Sierra49.4% WR · 7.5% PR · 7.1% BR

Venture50.2% WR · 1.8% PR · 0.3% BR

Sombra49.7% WR · 3.8% PR · 36.3% BR

Junkrat49.6% WR · 4.3% PR · 0.6% BR

Tracer49.1% WR · 7.2% PR · 7.4% BR

Brigitte49.3% WR · 5.2% PR · 0.3% BR

Lifeweaver48.2% WR · 11.3% PR · 0.8% BR

Winston48.7% WR · 6.6% PR · 2.7% BR

Vendetta49.3% WR · 2.4% PR · 1.1% BR

Reaper48.3% WR · 8.8% PR · 2.4% BR

Moira47.6% WR · 13.6% PR · 1.5% BR

Wrecking Ball48.6% WR · 3.8% PR · 10.4% BR

Ramattra48.2% WR · 6.1% PR · 3.8% BR

Orisa47.3% WR · 11.6% PR · 16.7% BR

Emre47.5% WR · 9.3% PR · 0.4% BR

Roadhog47.3% WR · 8.6% PR · 14.9% BR

Cassidy45.6% WR · 18.7% PR · 8.3% BR

Junker Queen47.5% WR · 3.5% PR · 0.3% BR

Bastion45.9% WR · 10.4% PR · 6.5% BR

Sojourn45.2% WR · 12.7% PR · 1.1% BR

Lúcio46.2% WR · 3.1% PR · 0.2% 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 × z(win rate) + 0.3 × z(pick rate).
Tier cutoffs (by score percentile, of 52 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 51.2% win rate and 45.1% pick rate on Rialto. Ashe and Zenyatta round out the top 3.
Which heroes are S-tier heroes in Overwatch in Diamond on Rialto?: S-tier on Rialto: Ana, Ashe, Zenyatta, 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 2026-07-19 to 2026-07-25 (7-day rolling window).

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