diff --git a/tests/cypress/integration/issue_1882_polygon_interpolation.js b/tests/cypress/integration/issue_1882_polygon_interpolation.js
new file mode 100644
index 00000000..7519bbbe
--- /dev/null
+++ b/tests/cypress/integration/issue_1882_polygon_interpolation.js
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/// <reference types="cypress" />
+
+context('The points of the previous polygon mustn\'t appear while polygon\'s interpolation.', () => {
+
+    const issueId = '1882'
+    const labelName = `Issue ${issueId}`
+    const taskName = `New annotation task for ${labelName}`
+    const attrName = `Attr for ${labelName}`
+    const textDefaultValue = 'Some default value for type Text'
+    const image = `image_${issueId}.png`
+    const width = 800
+    const height = 800
+    const posX = 10
+    const posY = 10
+    const color = 'white'
+
+    before(() => {
+        cy.visit('auth/login')
+        cy.login()
+        cy.imageGenerator('cypress/fixtures', image, width, height, color, posX, posY, labelName)
+        cy.createAnnotationTask(taskName, labelName, attrName, textDefaultValue, image)
+        cy.openTaskJob(taskName)
+    })
+
+    describe(`Testing issue "${issueId}"`, () => {
+        it('Create a polygon', () => {
+            cy.createPolygon('Track', [
+                                        {x: 309, y: 431},
+                                        {x: 360, y: 500},
+                                        {x: 320, y: 300},
+                                      ])
+            cy.get('#cvat-objects-sidebar-state-item-1')
+            .should('contain', '1').and('contain', 'POLYGON TRACK')
+        })
+        it('Redraw the polygon', () => {
+            cy.get('#cvat_canvas_shape_1')
+            .trigger('mousemove', {force: true})
+            .trigger('keydown', {key: 'n', shiftKey: true})
+            .trigger('keyup', {force: true}, {key: 'n', shiftKey: true})
+            cy.createPolygon('Track', [
+                                        {x: 359, y: 431},
+                                        {x: 410, y: 500},
+                                        {x: 370, y: 300},
+                                        ],
+                                        false, true)
+        })
+        it('Activate auto bordering mode', () => {
+            cy.openSettings()
+            cy.get('.ant-modal-content').within(() => {
+                cy.contains('Workspace').click()
+                cy.get('.cvat-workspace-settings-autoborders').within(() => {
+                    cy.get('[type="checkbox"]').check()
+                })
+            })
+            cy.closeSettings()
+        })
+        it('Old points invisible', () => {
+            cy.get('.cvat_canvas_autoborder_point')
+            .should('not.exist')
+        })
+    })
+})
diff --git a/tests/cypress/integration/issue_1886_point_coordinates_not_duplicated.js b/tests/cypress/integration/issue_1886_point_coordinates_not_duplicated.js
new file mode 100644
index 00000000..af3b6653
--- /dev/null
+++ b/tests/cypress/integration/issue_1886_point_coordinates_not_duplicated.js
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/// <reference types="cypress" />
+
+context('Point coordinates are not duplicated while polygon\'s interpolation.', () => {
+
+    const issueId = '1886'
+    const labelName = `Issue ${issueId}`
+    const taskName = `New annotation task for ${labelName}`
+    const attrName = `Attr for ${labelName}`
+    const textDefaultValue = 'Some default value for type Text'
+    const imagesCount = 4
+    let images = []
+    for ( let i = 1; i <= imagesCount; i++) {
+        images.push(`image_${issueId}_${i}.png`)
+    }
+    const width = 800
+    const height = 800
+    const posX = 10
+    const posY = 10
+    const color = 'white'
+    const archiveName = `images_issue_${issueId}.zip`
+    const archivePath = `cypress/fixtures/${archiveName}`
+    const imagesFolder = `cypress/fixtures/image_issue_${issueId}`
+    const directoryToArchive = imagesFolder
+    let pointsСoordinates = []
+
+    before(() => {
+        cy.visit('auth/login')
+        cy.login()
+        for (let img of images) {
+            cy.imageGenerator(imagesFolder, img, width, height, color, posX, posY, labelName)
+        }
+        cy.createZipArchive(directoryToArchive, archivePath)
+        cy.createAnnotationTask(taskName, labelName, attrName, textDefaultValue, archiveName)
+        cy.openTaskJob(taskName)
+    })
+
+    describe(`Testing issue "${issueId}"`, () => {
+        it('Create a polygon', () => {
+            cy.createPolygon('Track', [
+                                        {x: 300, y: 450},
+                                        {x: 400, y: 450},
+                                        {x: 400, y: 550},
+                                      ])
+            cy.get('#cvat-objects-sidebar-state-item-1')
+            .should('contain', '1').and('contain', 'POLYGON TRACK')
+        })
+        it('Go next with a step', () => {
+            cy.get('.cvat-player-forward-button').click()
+            cy.get('.cvat-player-frame-selector').within(() => {
+                cy.get('input[role="spinbutton"]')
+                .should('have.value', '3')
+            })
+        })
+        it('Set a keyframe for the polygon', () => {
+            cy.get('#cvat-objects-sidebar-state-item-1').within(() => {
+                cy.get('[data-icon="star"]').click()
+            })
+        })
+        it('Go to previous frame  and getting point`s coordinates', () => {
+            cy.get('.cvat-player-previous-button').click()
+            cy.get('.cvat-player-frame-selector').within(() => {
+                cy.get('input[role="spinbutton"]')
+                .should('have.value', '2')
+            })
+            cy.get('#cvat_canvas_shape_1').should('have.prop', 'animatedPoints')
+            .then(($pointsСoordinates) => {
+                for (let i of $pointsСoordinates) {
+                    pointsСoordinates.push(`${i.x}, ${i.y}`)
+                }
+            })
+        })
+        it('The coordinates of the points are not duplicated', () => {
+            for(let i = 0; i < pointsСoordinates.length - 1; i++) {
+                cy.expect(pointsСoordinates[i]).not.equal(pointsСoordinates[i+1])
+            }
+        })
+    })
+})
diff --git a/tests/cypress/support/commands.js b/tests/cypress/support/commands.js
index 82848433..ec6538c9 100644
--- a/tests/cypress/support/commands.js
+++ b/tests/cypress/support/commands.js
@@ -129,3 +129,41 @@ Cypress.Commands.add('shapeGrouping', (firstX, firstY, lastX, lastY) => {
     .trigger('keydown', {key: 'g'})
     .trigger('keyup', {key: 'g'})
 })
+
+Cypress.Commands.add('createPolygon', ( mode,
+                                        pointsMap,
+                                        complete=true,
+                                        reDraw=false) => {
+    if (!reDraw) {
+        cy.get('.cvat-draw-polygon-control').click()
+        cy.get('.cvat-draw-shape-popover-content')
+        .find('button')
+        .contains(mode)
+        .click({force: true})
+    }
+    pointsMap.forEach(element => {
+        cy.get('.cvat-canvas-container')
+        .click(element.x, element.y)
+    })
+    if (complete) {
+        cy.get('.cvat-canvas-container')
+        .trigger('keydown', {key: 'n'})
+        .trigger('keyup', {key: 'n'})
+    }
+})
+
+Cypress.Commands.add('openSettings', () => {
+    cy.get('.cvat-right-header')
+    .find('.cvat-header-menu-dropdown')
+    .trigger('mouseover', {which: 1})
+    cy.get('.anticon-setting')
+    .click()
+})
+
+Cypress.Commands.add('closeSettings', () => {
+    cy.get('.ant-modal-content')
+    .should('contain', 'Settings')
+    .within(() => {
+        cy.contains('button', 'Close').click()
+    })
+})