diff --git a/tests/sanity/tests/model/tracker/issues-details-page.ts b/tests/sanity/tests/model/tracker/issues-details-page.ts
index d91e16e852..777beb1b85 100644
--- a/tests/sanity/tests/model/tracker/issues-details-page.ts
+++ b/tests/sanity/tests/model/tracker/issues-details-page.ts
@@ -21,6 +21,10 @@ export class IssuesDetailsPage extends CommonTrackerPage {
   readonly buttonAddSubIssue: Locator
   readonly textRelated: Locator
   readonly buttonCollaborators: Locator
+  readonly buttonIssueOnSearchForIssueModal: Locator
+  readonly inputSearchOnSearchForIssueModal: Locator
+  readonly textBlockedBy: Locator
+  readonly textBlocks: Locator
 
   constructor (page: Page) {
     super(page)
@@ -42,6 +46,10 @@ export class IssuesDetailsPage extends CommonTrackerPage {
     this.buttonAddSubIssue = page.locator('#add-sub-issue')
     this.textRelated = page.locator('//span[text()="Related"]/following-sibling::div[1]/div//span')
     this.buttonCollaborators = page.locator('//span[text()="Collaborators"]/following-sibling::div[1]/button')
+    this.buttonIssueOnSearchForIssueModal = page.locator('div.popup div.tabs > div.tab:last-child')
+    this.inputSearchOnSearchForIssueModal = page.locator('div.popup input[type="text"]')
+    this.textBlockedBy = page.locator('//span[text()="Blocked by"]/following-sibling::div[1]/div/div/button/span')
+    this.textBlocks = page.locator('//span[text()="Blocks"]/following-sibling::div[1]/div/div/button/span')
   }
 
   async editIssue (data: Issue): Promise<void> {
@@ -110,6 +118,12 @@ export class IssuesDetailsPage extends CommonTrackerPage {
     if (data.relatedIssue != null) {
       await expect(this.textRelated).toContainText(data.relatedIssue)
     }
+    if (data.blockedBy != null) {
+      await expect(this.textBlockedBy).toContainText(data.blockedBy)
+    }
+    if (data.blocks != null) {
+      await expect(this.textBlocks).toContainText(data.blocks)
+    }
   }
 
   async moreActionOnIssue (action: string): Promise<void> {
@@ -160,4 +174,17 @@ export class IssuesDetailsPage extends CommonTrackerPage {
   async checkComparingTextAdded (text: string): Promise<void> {
     await expect(this.page.locator('span.text-editor-highlighted-node-add', { hasText: text }).first()).toBeVisible()
   }
+
+  async fillSearchForIssueModal (issueTitle: string): Promise<void> {
+    await this.buttonIssueOnSearchForIssueModal.click()
+    await this.inputSearchOnSearchForIssueModal.fill(issueTitle)
+    await this.page.locator('div.popup div.list-item', { hasText: issueTitle }).click()
+  }
+
+  async moreActionOnIssueWithSecondLevel (actionFirst: string, actionSecond: string): Promise<void> {
+    await this.buttonMoreActions.click()
+    await this.page.locator('button.antiPopup-submenu', { hasText: actionFirst }).hover()
+    await this.page.locator('button.antiPopup-submenu', { hasText: actionFirst }).click()
+    await this.selectFromDropdown(this.page, actionSecond)
+  }
 }
diff --git a/tests/sanity/tests/model/tracker/types.ts b/tests/sanity/tests/model/tracker/types.ts
index cdb3dc655d..76236735c3 100644
--- a/tests/sanity/tests/model/tracker/types.ts
+++ b/tests/sanity/tests/model/tracker/types.ts
@@ -16,6 +16,8 @@ export interface Issue {
   filePath?: string
   parentIssue?: string
   relatedIssue?: string
+  blockedBy?: string
+  blocks?: string
 }
 
 export interface NewProject {
diff --git a/tests/sanity/tests/tracker/relations.spec.ts b/tests/sanity/tests/tracker/relations.spec.ts
new file mode 100644
index 0000000000..4f95dec191
--- /dev/null
+++ b/tests/sanity/tests/tracker/relations.spec.ts
@@ -0,0 +1,67 @@
+import { test } from '@playwright/test'
+import { IssuesPage } from '../model/tracker/issues-page'
+import { generateId, PlatformSetting, PlatformURI } from '../utils'
+import { NewIssue } from '../model/tracker/types'
+import { LeftSideMenuPage } from '../model/left-side-menu-page'
+import { IssuesDetailsPage } from '../model/tracker/issues-details-page'
+import { TrackerNavigationMenuPage } from '../model/tracker/tracker-navigation-menu-page'
+
+test.use({
+  storageState: PlatformSetting
+})
+test.describe('Relations', () => {
+  test.beforeEach(async ({ page }) => {
+    await (await page.goto(`${PlatformURI}/workbench/sanity-ws`))?.finished()
+  })
+
+  test('Mark as blocked by', async ({ page }) => {
+    const firstIssue: NewIssue = {
+      title: `First. Mark as blocked by-${generateId()}`,
+      description: 'First. Mark as blocked by'
+    }
+    const secondIssue: NewIssue = {
+      title: `Second. Mark as blocked by-${generateId()}`,
+      description: 'Second. Mark as blocked by'
+    }
+    const leftSideMenuPage = new LeftSideMenuPage(page)
+    await leftSideMenuPage.buttonTracker.click()
+
+    const issuesPage = new IssuesPage(page)
+    await issuesPage.modelSelectorAll.click()
+
+    await issuesPage.createNewIssue(secondIssue)
+    await issuesPage.searchIssueByName(secondIssue.title)
+    const secondIssueId = await issuesPage.getIssueId(secondIssue.title)
+
+    await issuesPage.createNewIssue(firstIssue)
+    await issuesPage.searchIssueByName(firstIssue.title)
+    const firstIssueId = await issuesPage.getIssueId(firstIssue.title)
+    await issuesPage.openIssueByName(firstIssue.title)
+
+    const issuesDetailsPage = new IssuesDetailsPage(page)
+    await test.step('Set blocked by and check issue description', async () => {
+      await issuesDetailsPage.waitDetailsOpened(firstIssue.title)
+      await issuesDetailsPage.moreActionOnIssueWithSecondLevel('Relations', 'Mark as blocked by...')
+      await issuesDetailsPage.fillSearchForIssueModal(secondIssue.title)
+
+      await issuesDetailsPage.checkIssue({
+        ...firstIssue,
+        blockedBy: secondIssueId
+      })
+    })
+
+    await test.step('Check the second issue description', async () => {
+      const trackerNavigationMenuPage = new TrackerNavigationMenuPage(page)
+      await trackerNavigationMenuPage.openIssuesForProject('Default')
+
+      await issuesPage.searchIssueByName(secondIssue.title)
+      await issuesPage.openIssueByName(secondIssue.title)
+
+      await issuesDetailsPage.waitDetailsOpened(secondIssue.title)
+      await issuesDetailsPage.checkIssue({
+        ...secondIssue,
+        blocks: firstIssueId
+      })
+    })
+  })
+})