diff --git a/src/plugins/inspector/public/views/requests/components/request_selector.tsx b/src/plugins/inspector/public/views/requests/components/request_selector.tsx
index 2d94c7ff5bb18..04fac0bd93b7e 100644
--- a/src/plugins/inspector/public/views/requests/components/request_selector.tsx
+++ b/src/plugins/inspector/public/views/requests/components/request_selector.tsx
@@ -13,118 +13,73 @@ import { i18n } from '@kbn/i18n';
 
 import {
   EuiBadge,
-  EuiButtonEmpty,
-  EuiContextMenuPanel,
-  EuiContextMenuItem,
+  EuiComboBox,
+  EuiComboBoxOptionOption,
   EuiFlexGroup,
   EuiFlexItem,
   EuiLoadingSpinner,
-  EuiPopover,
-  EuiTextColor,
   EuiToolTip,
 } from '@elastic/eui';
 
 import { RequestStatus } from '../../../../common/adapters';
 import { Request } from '../../../../common/adapters/request/types';
 
-interface RequestSelectorState {
-  isPopoverOpen: boolean;
-}
-
 interface RequestSelectorProps {
   requests: Request[];
   selectedRequest: Request;
-  onRequestChanged: Function;
+  onRequestChanged: (request: Request) => void;
 }
 
-export class RequestSelector extends Component<RequestSelectorProps, RequestSelectorState> {
+export class RequestSelector extends Component<RequestSelectorProps> {
   static propTypes = {
     requests: PropTypes.array.isRequired,
     selectedRequest: PropTypes.object.isRequired,
     onRequestChanged: PropTypes.func,
   };
 
-  state = {
-    isPopoverOpen: false,
-  };
+  handleSelected = (selectedOptions: Array<EuiComboBoxOptionOption<string>>) => {
+    const selectedOption = this.props.requests.find(
+      (request) => request.id === selectedOptions[0].value
+    );
 
-  togglePopover = () => {
-    this.setState((prevState: RequestSelectorState) => ({
-      isPopoverOpen: !prevState.isPopoverOpen,
-    }));
+    if (selectedOption) {
+      this.props.onRequestChanged(selectedOption);
+    }
   };
 
-  closePopover = () => {
-    this.setState({
-      isPopoverOpen: false,
+  renderRequestCombobox() {
+    const options = this.props.requests.map((item) => {
+      const hasFailed = item.status === RequestStatus.ERROR;
+      const testLabel = item.name.replace(/\s+/, '_');
+
+      return {
+        'data-test-subj': `inspectorRequestChooser${testLabel}`,
+        label: hasFailed
+          ? `${item.name} ${i18n.translate('inspector.requests.failedLabel', {
+              defaultMessage: ' (failed)',
+            })}`
+          : item.name,
+        value: item.id,
+      };
     });
-  };
-
-  renderRequestDropdownItem = (request: Request, index: number) => {
-    const hasFailed = request.status === RequestStatus.ERROR;
-    const inProgress = request.status === RequestStatus.PENDING;
 
     return (
-      <EuiContextMenuItem
-        key={index}
-        icon={request === this.props.selectedRequest ? 'check' : 'empty'}
-        onClick={() => {
-          this.props.onRequestChanged(request);
-          this.closePopover();
-        }}
-        toolTipContent={request.description}
-        toolTipPosition="left"
-        data-test-subj={`inspectorRequestChooser${request.name}`}
-      >
-        <EuiTextColor color={hasFailed ? 'danger' : 'default'}>
-          {request.name}
-
-          {hasFailed && (
-            <FormattedMessage id="inspector.requests.failedLabel" defaultMessage=" (failed)" />
-          )}
-
-          {inProgress && (
-            <EuiLoadingSpinner
-              size="s"
-              aria-label={i18n.translate('inspector.requests.requestInProgressAriaLabel', {
-                defaultMessage: 'Request in progress',
-              })}
-              className="insRequestSelector__menuSpinner"
-            />
-          )}
-        </EuiTextColor>
-      </EuiContextMenuItem>
-    );
-  };
-
-  renderRequestDropdown() {
-    const button = (
-      <EuiButtonEmpty
-        iconType="arrowDown"
-        iconSide="right"
-        size="s"
-        onClick={this.togglePopover}
+      <EuiComboBox
         data-test-subj="inspectorRequestChooser"
-      >
-        {this.props.selectedRequest.name}
-      </EuiButtonEmpty>
-    );
-
-    return (
-      <EuiPopover
+        fullWidth={true}
         id="inspectorRequestChooser"
-        button={button}
-        isOpen={this.state.isPopoverOpen}
-        closePopover={this.closePopover}
-        panelPaddingSize="none"
-        anchorPosition="downLeft"
-        repositionOnScroll
-      >
-        <EuiContextMenuPanel
-          items={this.props.requests.map(this.renderRequestDropdownItem)}
-          data-test-subj="inspectorRequestChooserMenuPanel"
-        />
-      </EuiPopover>
+        isClearable={false}
+        onChange={this.handleSelected}
+        options={options}
+        prepend="Request"
+        selectedOptions={[
+          {
+            label: this.props.selectedRequest.name,
+            value: this.props.selectedRequest.id,
+          },
+        ]}
+        singleSelection={{ asPlainText: true }}
+      />
     );
   }
 
@@ -132,23 +87,8 @@ export class RequestSelector extends Component<RequestSelectorProps, RequestSele
     const { selectedRequest, requests } = this.props;
 
     return (
-      <EuiFlexGroup alignItems="center" gutterSize="xs">
-        <EuiFlexItem grow={false}>
-          <strong>
-            <FormattedMessage id="inspector.requests.requestLabel" defaultMessage="Request:" />
-          </strong>
-        </EuiFlexItem>
-        <EuiFlexItem grow={true}>
-          {requests.length <= 1 && (
-            <div
-              className="insRequestSelector__singleRequest"
-              data-test-subj="inspectorRequestName"
-            >
-              {selectedRequest.name}
-            </div>
-          )}
-          {requests.length > 1 && this.renderRequestDropdown()}
-        </EuiFlexItem>
+      <EuiFlexGroup alignItems="center">
+        <EuiFlexItem grow={true}>{requests.length && this.renderRequestCombobox()}</EuiFlexItem>
         <EuiFlexItem grow={false}>
           {selectedRequest.status !== RequestStatus.PENDING && (
             <EuiToolTip
diff --git a/test/functional/apps/discover/_inspector.ts b/test/functional/apps/discover/_inspector.ts
index 9ff425be2739b..10402703875d6 100644
--- a/test/functional/apps/discover/_inspector.ts
+++ b/test/functional/apps/discover/_inspector.ts
@@ -53,9 +53,9 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       await inspector.open();
       await testSubjects.click('inspectorRequestChooser');
       let foundZero = false;
-      for (const subj of ['Documents', 'Total hits', 'Charts']) {
+      for (const subj of ['Documents', 'Chart_data']) {
         await testSubjects.click(`inspectorRequestChooser${subj}`);
-        if (testSubjects.exists('inspectorRequestDetailStatistics', { timeout: 500 })) {
+        if (await testSubjects.exists('inspectorRequestDetailStatistics', { timeout: 500 })) {
           await testSubjects.click(`inspectorRequestDetailStatistics`);
           const requestStatsTotalHits = getHitCount(await inspector.getTableData());
           if (requestStatsTotalHits === '0') {
diff --git a/test/functional/apps/visualize/_vega_chart.ts b/test/functional/apps/visualize/_vega_chart.ts
index b2692c2a00d78..6640b37b4a28a 100644
--- a/test/functional/apps/visualize/_vega_chart.ts
+++ b/test/functional/apps/visualize/_vega_chart.ts
@@ -131,9 +131,11 @@ export default function ({ getPageObjects, getService }: FtrProviderContext) {
         });
 
         it('should set the default query name if not given in the schema', async () => {
-          const requests = await inspector.getRequestNames();
+          const singleExampleRequest = await inspector.hasSingleRequest();
+          const selectedExampleRequest = await inspector.getSelectedOption();
 
-          expect(requests).to.be('Unnamed request #0');
+          expect(singleExampleRequest).to.be(true);
+          expect(selectedExampleRequest).to.equal('Unnamed request #0');
         });
 
         it('should log the request statistic', async () => {
diff --git a/test/functional/services/inspector.ts b/test/functional/services/inspector.ts
index 5364dbebe904c..753d9b7b0b85e 100644
--- a/test/functional/services/inspector.ts
+++ b/test/functional/services/inspector.ts
@@ -16,6 +16,7 @@ export class InspectorService extends FtrService {
   private readonly flyout = this.ctx.getService('flyout');
   private readonly testSubjects = this.ctx.getService('testSubjects');
   private readonly find = this.ctx.getService('find');
+  private readonly comboBox = this.ctx.getService('comboBox');
 
   private async getIsEnabled(): Promise<boolean> {
     const ariaDisabled = await this.testSubjects.getAttribute('openInspectorButton', 'disabled');
@@ -206,20 +207,29 @@ export class InspectorService extends FtrService {
   }
 
   /**
-   * Returns request name as the comma-separated string
+   * Returns the selected option value from combobox
    */
-  public async getRequestNames(): Promise<string> {
+  public async getSelectedOption(): Promise<string> {
     await this.openInspectorRequestsView();
-    const requestChooserExists = await this.testSubjects.exists('inspectorRequestChooser');
-    if (requestChooserExists) {
-      await this.testSubjects.click('inspectorRequestChooser');
-      const menu = await this.testSubjects.find('inspectorRequestChooserMenuPanel');
-      const requestNames = await menu.getVisibleText();
-      return requestNames.trim().split('\n').join(',');
+    const selectedOption = await this.comboBox.getComboBoxSelectedOptions(
+      'inspectorRequestChooser'
+    );
+
+    if (selectedOption.length !== 1) {
+      return 'Combobox has multiple options';
     }
 
-    const singleRequest = await this.testSubjects.find('inspectorRequestName');
-    return await singleRequest.getVisibleText();
+    return selectedOption[0];
+  }
+
+  /**
+   * Returns request name as the comma-separated string from combobox
+   */
+  public async getRequestNames(): Promise<string> {
+    await this.openInspectorRequestsView();
+
+    const comboBoxOptions = await this.comboBox.getOptionsList('inspectorRequestChooser');
+    return comboBoxOptions.trim().split('\n').join(',');
   }
 
   public getOpenRequestStatisticButton() {
@@ -233,4 +243,17 @@ export class InspectorService extends FtrService {
   public getOpenRequestDetailResponseButton() {
     return this.testSubjects.find('inspectorRequestDetailResponse');
   }
+
+  /**
+   * Returns true if the value equals the combobox options list
+   * @param value default combobox single option text
+   */
+  public async hasSingleRequest(
+    value: string = "You've selected all available options"
+  ): Promise<boolean> {
+    await this.openInspectorRequestsView();
+    const comboBoxOptions = await this.comboBox.getOptionsList('inspectorRequestChooser');
+
+    return value === comboBoxOptions;
+  }
 }
diff --git a/x-pack/plugins/translations/translations/ja-JP.json b/x-pack/plugins/translations/translations/ja-JP.json
index d95acd2e7d2bc..7dd815e3e1ccc 100644
--- a/x-pack/plugins/translations/translations/ja-JP.json
+++ b/x-pack/plugins/translations/translations/ja-JP.json
@@ -4162,7 +4162,6 @@
     "inspector.requests.noRequestsLoggedTitle": "リクエストが記録されていません",
     "inspector.requests.requestFailedTooltipTitle": "リクエストに失敗しました",
     "inspector.requests.requestInProgressAriaLabel": "リクエストが進行中",
-    "inspector.requests.requestLabel": "リクエスト：",
     "inspector.requests.requestsDescriptionTooltip": "データを収集したリクエストを表示します",
     "inspector.requests.requestsTitle": "リクエスト",
     "inspector.requests.requestSucceededTooltipTitle": "リクエスト成功",
diff --git a/x-pack/plugins/translations/translations/zh-CN.json b/x-pack/plugins/translations/translations/zh-CN.json
index 3d11a22b24e1b..f5300c78c388c 100644
--- a/x-pack/plugins/translations/translations/zh-CN.json
+++ b/x-pack/plugins/translations/translations/zh-CN.json
@@ -4201,7 +4201,6 @@
     "inspector.requests.noRequestsLoggedTitle": "未记录任何请求",
     "inspector.requests.requestFailedTooltipTitle": "请求失败",
     "inspector.requests.requestInProgressAriaLabel": "进行中的请求",
-    "inspector.requests.requestLabel": "请求：",
     "inspector.requests.requestsDescriptionTooltip": "查看已收集数据的请求",
     "inspector.requests.requestsTitle": "请求",
     "inspector.requests.requestSucceededTooltipTitle": "请求成功",
diff --git a/x-pack/test/functional/apps/maps/embeddable/dashboard.js b/x-pack/test/functional/apps/maps/embeddable/dashboard.js
index 6c962c98c6a98..a892a0d547339 100644
--- a/x-pack/test/functional/apps/maps/embeddable/dashboard.js
+++ b/x-pack/test/functional/apps/maps/embeddable/dashboard.js
@@ -77,9 +77,12 @@ export default function ({ getPageObjects, getService }) {
       await inspector.close();
 
       await dashboardPanelActions.openInspectorByTitle('geo grid vector grid example');
-      const gridExampleRequestNames = await inspector.getRequestNames();
+      const singleExampleRequest = await inspector.hasSingleRequest();
+      const selectedExampleRequest = await inspector.getSelectedOption();
       await inspector.close();
-      expect(gridExampleRequestNames).to.equal('logstash-*');
+
+      expect(singleExampleRequest).to.be(true);
+      expect(selectedExampleRequest).to.equal('logstash-*');
     });
 
     it('should apply container state (time, query, filters) to embeddable when loaded', async () => {