As Terran
Make:
Marauder
Siege Tank
Widow MineConcussive Shells and mines punish Blink overextensions.
Open in the counter tool with Stalker tagged ->As Protoss
Make:
Immortal
Zealot
DisruptorImmortals force Stalkers to blink defensively.
Open in the counter tool with Stalker tagged ->As Zerg
Make:
Zergling
Roach
RavagerSurrounds and Biles punish Stalkers after Blink is used.
Open in the counter tool with Stalker tagged ->
Adept
Sentry
Observer
Warp Prism
Colossus
High Templar
Archon