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

Tracer currently leads with a 52.0% win rate and 20.2% pick rate on Oasis. Cassidy round out the top 2.

Which heroes are S-tier damage heroes in Overwatch in Diamond on Oasis?

S-tier on Oasis: Tracer, Cassidy.

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 2026-09-08 to 2026-09-08 (1-day rolling window).

Overwatch Diamond damage Tier List on Oasis (1-day)

Auto-generated Overwatch damage tier list on Oasis for Diamond players, derived from a 1-day window of ranked play. Win-rate and pick-rate weighted, refreshed daily.

Last updated Tue, 08 Sep 2026 21:37:47 GMT · data window 2026-09-08 → 2026-09-08

In Diamond ranks competitive Overwatch on Oasis, the current top damage picks are Tracer and Cassidy. Rankings combine win rate and pick rate over a 1-day window of ranked play, refreshed daily.

Map

Tracer52.0% WR · 20.2% PR · 13.3% BR52.0% WR20.2% PR13.3% BR

Cassidy48.6% WR · 36.4% PR · 11.5% BR48.6% WR36.4% PR11.5% 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 24 eligible heroes): S = top 8% · A = top 17% · B = top 25% · C = top 25% · D = top 25%.

FREQUENTLY ASKED

Who is the best damage hero in Overwatch on Oasis for Diamond players?: Tracer currently leads with a 52.0% win rate and 20.2% pick rate on Oasis. Cassidy round out the top 2.
Which heroes are S-tier damage heroes in Overwatch in Diamond on Oasis?: S-tier on Oasis: Tracer, Cassidy.
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 2026-09-08 to 2026-09-08 (1-day rolling window).

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