Is Sylveon viable in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

Sylveon is ranked #10 in Gen 9 Champions VGC 2026 Reg M-B Best of 3 with 15.54% usage according to Smogon May 2026 - Jul 2026 data.

What beats Sylveon in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

Kingambit has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 43.1% of 60.759422544945494 relevant encounters. Standard error is 6.4 points. Sets and switch conditions can change the result.

How are Sylveon matchup checks ranked in Gen 9 Champions VGC 2026 Reg M-B Best of 3?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Sylveon was knocked out or switched out. This is not a set-specific battle guarantee.

Sylveon counters

Gen 9 Champions VGC 2026 Reg M-B Best of 3 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0700 Sylveon

Fairy

USAGE 15.5% #10

ABILITYPixilate

BASE STATS

HP 95

ATK 65

DEF 65

SPA 110

SPD 130

SPE 60

BST525

TYPE MATCHUPS

2×

PoisonSteel

½×

FightingBugDark

0×

Dragon

Moves

Hyper Voice 100.0% Quick Attack 93.0% Hyper Beam 75.3% Detect 59.3% Protect 40.6% Yawn 24.8% Moonblast 3.2% Calm Mind 2.6%

Items

Fairy Feather 97.4% Life Orb 2.1% Leftovers 0.3% Focus Sash 0.1% Choice Scarf 0.1% Sitrus Berry 0.0% Falinksite 0.0% Babiri Berry 0.0%

Abilities

Pixilate99.9%Cute Charm0.1%

Common Teammates

Garchomp71.6%

Charizard-Mega-Y70.0%

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore

Sylveon + Kingambit 63.9% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Kingambit

DarkSteel SOFT CHECK View matchup

60.759

17.7

43.1% Standard error 6.35 points

DAMAGE CALC

252+ Atk Kingambit Iron Head vs. 252 HP / 0 Def Sylveon: 218-258 (107.9 - 127.7%) -- guaranteed OHKO

View Kingambit counters → Teams with Kingambit →

Basculegion

WaterGhost SOFT CHECK View matchup

37.005

17.7

50.6% Standard error 8.22 points

DAMAGE CALC

252+ Atk Mystic Water Adaptability Basculegion Wave Crash vs. 252 HP / 0 Def Sylveon: 230-272 (113.8 - 134.6%) -- guaranteed OHKO

View Basculegion counters → Teams with Basculegion →

Garchomp

DragonGround SOFT CHECK View matchup

63.423

15.4

40.0% Standard error 6.15 points

DAMAGE CALC

252+ Atk Life Orb Garchomp Poison Jab vs. 252 HP / 0 Def Sylveon: 185-218 (91.5 - 107.9%) -- 50% chance to OHKO

View Garchomp counters →

Sneasler

FightingPoison SOFT CHECK View matchup

43.982

14.7

44.6% Standard error 7.50 points

DAMAGE CALC

252+ Atk Sneasler Gunk Shot vs. 252 HP / 0 Def Sylveon: 320-378 (158.4 - 187.1%) -- guaranteed OHKO

View Sneasler counters → Teams with Sneasler →

Charizard-Mega-Y

FireFlying SOFT CHECK View matchup

41.027

13.7

44.7% Standard error 7.76 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Sylveon in Sun: 129-153 (63.8 - 75.7%) -- guaranteed 2HKO

View Charizard-Mega-Y counters →

Incineroar

FireDark SOFT CHECK View matchup

95.437

11.4

38.1% Standard error 6.68 points

DAMAGE CALC

252+ Atk Incineroar Flare Blitz vs. 252 HP / 0 Def Sylveon: 145-172 (71.7 - 85.1%) -- guaranteed 2HKO

View Incineroar counters → Teams with Incineroar →

Floette-Mega

Fairy SOFT CHECK View matchup

33.933

10.6

44.8% Standard error 8.54 points

DAMAGE CALC

252+ SpA Floette-Mega Light of Ruin vs. 252 HP / 252+ SpD Sylveon: 90-106 (44.5 - 52.4%) -- 20.7% chance to 2HKO

View Floette-Mega counters →

Sylveon

Fairy SOFT CHECK View matchup

31.529

9.3

44.7% Standard error 8.85 points

DAMAGE CALC

252+ SpA Fairy Feather Pixilate Sylveon Hyper Beam vs. 252 HP / 252+ SpD Sylveon: 109-129 (53.9 - 63.8%) -- guaranteed 2HKO

View Sylveon counters →

Whimsicott

GrassFairy SOFT CHECK View matchup

36.096

6.9

39.4% Standard error 8.13 points

DAMAGE CALC

252+ SpA Whimsicott Moonblast vs. 252 HP / 252+ SpD Sylveon: 39-46 (19.3 - 22.7%) -- possible 5HKO

View Whimsicott counters → Teams with Whimsicott →

Sinistcha

GrassGhost SOFT CHECK View matchup

31.91

-1.6

31.2% Standard error 8.20 points

DAMAGE CALC

252+ SpA Sinistcha Matcha Gotcha vs. 252 HP / 252+ SpD Sylveon: 43-52 (21.2 - 25.7%) -- 1.1% chance to 4HKO

View Sinistcha counters → Teams with Sinistcha →

Ranked #10 with 15.54% usage. Sorted by conservative score.