Overwatch Master Tier List — Oasis (7-Day)

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

Last updated Fri, 23 Oct 2026 22:30:45 GMT · data window 2026-10-17 → 2026-10-23

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

Map

Doctrine58.1% WR · 50.1% PR · 10.6% BR58.1% WR50.1% PR10.6% BR

Sombra55.6% WR · 28.4% PR · 44.0% BR55.6% WR28.4% PR44.0% 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 Oasis for Master players?: Doctrine currently leads with a 58.1% win rate and 50.1% pick rate on Oasis. Sombra and Tracer round out the top 3.
Which heroes are S-tier heroes in Overwatch in Master on Oasis?: S-tier on Oasis: Doctrine, Sombra, Tracer, 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 Master 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 2026-10-17 to 2026-10-23 (7-day rolling window).

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Other ranks

Bronze Silver Gold Platinum Emerald Diamond Grandmaster

Other maps

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FREQUENTLY ASKED

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

Doctrine currently leads with a 58.1% win rate and 50.1% pick rate on Oasis. Sombra and Tracer round out the top 3.

Which heroes are S-tier heroes in Overwatch in Master on Oasis?

S-tier on Oasis: Doctrine, Sombra, Tracer, 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 Master 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 2026-10-17 to 2026-10-23 (7-day rolling window).