This is a control vs scaling matchup where Poppy must manage Viktor's scaling and item power spikes while leveraging terrain to punish his immobility.
Poppy should pressure Viktor to deny safe scaling and avoid giving him a passive lane to freely farm and evolve abilities.
Trading pattern
Trade short with (Q) and passive shield, then hold (W) to block any dash or movement Viktor may attempt.
Punish Viktor when he mispositions his (W) field or uses abilities solely for wave clear.
Avoid fighting away from walls where (E) stun threat is weak and Viktor can poke safely with (E) and (Q).
Danger windows
Respect (W) zone control and delayed stun; avoid standing in or near it to prevent being locked down.
Be cautious when (R) is available as it provides high area damage and control, limiting your engage options.
Avoid all-ins or extended trades when (W) is down, as your anti-dash threat diminishes and Viktor can safely poke.
Early game
Use early levels to control terrain and threaten (E) wall stuns near walls to punish Viktor's immobility.
Avoid extended trades before level 6; focus on short trades with (Q) and passive shield while holding (W) to counter Viktor's potential dash or engage.
Pressure the wave to prevent Viktor from comfortably farming and evolving his abilities.
Power spikes
At level 6, use (R) to disengage or isolate Viktor before he can fully commit or to reset bad fights.
After completing your first tank item, hold (W) for dashes and fight near walls to maximize durability and stun threat.
Respect Viktor's level 6 (R) and first completed mage item as his damage and zone control significantly improve; avoid forced trades during these windows.
Win conditions
Deny Viktor safe scaling by pressuring and punishing his immobility and ability cooldowns early.
Use terrain to threaten (E) wall stuns and hold (W) to block Viktor's limited mobility tools, controlling his engage options.
Leverage (R) for disengage or to isolate targets in fights, enabling your team to capitalize on picks or reset unfavorable engagements.
Tip: For Poppy vs Viktor, read overview, trading pattern, and danger windows first for a fast Top lane check.