Vel'Koz Support vs Jhin ADC Matchup

Why Jhin is favored

Jhin's frequent movement speed bursts from Whisper crits and Fleet Footwork, combined with Boots of Swiftness, allow him to easily dodge Vel'Koz's skillshot barrage. Vel'Koz's fragile defenses make him vulnerable to Jhin's high physical burst, and channeling his ultimate leaves him completely exposed to Deadly Flourish (W) and Curtain Call (R).

How to play as Vel'Koz

Avoid casting Tectonic Disruption (E) while Jhin has an active movement speed boost from Fleet Footwork or a Whisper crit; hold it until he commits to a last-hit auto-attack or stops to reload.

Never channel Life Form Disintegration Ray (R) in open vision when Jhin has Curtain Call (R) off cooldown, as the stationary channel makes you an easy target for execute sniper shots.

Vel'Koz cannot move while channeling Life Form Disintegration Ray (R), leaving him stationary and defenseless against Jhin's long-range Deadly Flourish (W) root and Curtain Call (R) shots, which outrange Vel'Koz's ultimate.

How to play as Jhin

Hold Deadly Flourish (W) when Vel'Koz has ultimate available; the moment he channels Life Form Disintegration Ray (R), use his self-root to land an effortless long-range root or start Curtain Call (R) outside his beam range.

Rush Boots of Swiftness early; the bonus flat move speed and slow resistance let you dance through Vel'Koz's geometric poke angles and punish his lack of self-peel.

Whisper's movement speed bonus on critical strikes and Fleet Footwork procs allow Jhin to weave unpredictably in lane, making it easier to sidestep Vel'Koz's delayed skillshots like Tectonic Disruption (E) and Void Rift (W).

Boots of Swiftness reduces the effectiveness of Plasma Fission's (Q) slow by 25% while granting flat movement speed, severely blunting Vel'Koz's ability to set up his remaining combo.

Sources

These notes come from r/ADCMains, checked against the champions' abilities.