diff --git a/app/controllers/api/reports_controller.rb b/app/controllers/api/reports_controller.rb
index 75b3fbed262..e8908afdb38 100644
--- a/app/controllers/api/reports_controller.rb
+++ b/app/controllers/api/reports_controller.rb
@@ -8,5 +8,9 @@ def index
     @reports = @reports.where(user_id: params[:user_id]) if params[:user_id].present?
     @reports = @reports.limit(params[:limit].to_i) if params[:limit].present?
     @reports = @reports.joins(:user).where(users: { company_id: params[:company_id] }) if params[:company_id]
+    return unless params[:target] == 'unchecked_reports'
+    return head :forbidden unless current_user.admin_or_mentor?
+
+    @reports = @reports.includes(:checks).unchecked.not_wip
   end
 end
diff --git a/app/controllers/users/reports_controller.rb b/app/controllers/users/reports_controller.rb
index b74fd4aeb90..85b908e2f33 100644
--- a/app/controllers/users/reports_controller.rb
+++ b/app/controllers/users/reports_controller.rb
@@ -2,6 +2,8 @@
 
 class Users::ReportsController < ApplicationController
   before_action :set_user
+  before_action :set_target
+  before_action :require_admin_or_mentor_login, if: -> { params[:target] == 'unchecked_reports' }
   before_action :set_reports
   before_action :set_report
   before_action :set_export
@@ -30,13 +32,21 @@ def set_user
   end
 
   def set_reports
-    @reports = user.reports.list.page(params[:page])
+    @reports = if @target == 'unchecked_reports'
+                 @user.reports.unchecked.not_wip.list.page(params[:page])
+               else
+                 @user.reports.list.page(params[:page])
+               end
   end
 
   def set_report
     @report = @reports[0]
   end
 
+  def set_target
+    @target = params[:target] || 'all_reports'
+  end
+
   def user
     @user ||= User.find(params[:user_id])
   end
diff --git a/app/helpers/page_tabs/users_helper.rb b/app/helpers/page_tabs/users_helper.rb
index 3959c4eea04..95b85f151d5 100644
--- a/app/helpers/page_tabs/users_helper.rb
+++ b/app/helpers/page_tabs/users_helper.rb
@@ -4,10 +4,11 @@ module PageTabs
   module UsersHelper
     def user_page_tabs(user, active_tab:)
       comment_count = user.comments.without_private_comment.length
+      unchecked_report_badge = current_user.admin_or_mentor? ? Cache.user_unchecked_report_count(user) : nil
       tabs = []
       tabs << { name: 'プロフィール', link: user_path(user) }
       tabs << { name: 'ポートフォリオ', link: user_portfolio_path(user) }
-      tabs << { name: '日報', link: user_reports_path(user), count: user.reports.length }
+      tabs << { name: '日報', link: user_reports_path(user), count: user.reports.length, badge: unchecked_report_badge }
       tabs << { name: 'コメント', link: user_comments_path(user), count: comment_count }
       tabs << { name: '提出物', link: user_products_path(user), count: user.products.length }
       tabs << { name: '質問', link: user_questions_path(user), count: user.questions.length }
diff --git a/app/javascript/components/Reports.jsx b/app/javascript/components/Reports.jsx
index 278a3b732d9..afb77ea0c0f 100644
--- a/app/javascript/components/Reports.jsx
+++ b/app/javascript/components/Reports.jsx
@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from 'react'
+import React, { useState } from 'react'
 import useSWR from 'swr'
 import fetcher from '../fetcher'
 import LoadingListPlaceholder from './LoadingListPlaceholder'
@@ -9,7 +9,6 @@ import UnconfirmedLink from './UnconfirmedLink'
 import usePage from './hooks/usePage'
 
 export default function Reports({
-  all = false,
   userId = '',
   practices = false,
   unchecked = false,
@@ -22,26 +21,14 @@ export default function Reports({
   const { page, setPage } = usePage()
   const [userPracticeId, setUserPracticeId] = useState('')
 
-  useEffect(() => {
-    setUserPracticeId(userPracticeId)
-  }, [userPracticeId])
+  let reportsUrl = `/api/reports.json?page=${page}`
+  if (userId) reportsUrl += `&user_id=${userId}`
+  if (companyId) reportsUrl += `&company_id=${companyId}`
+  const pid = userPracticeId || practiceId
+  if (pid) reportsUrl += `&practice_id=${pid}`
+  if (unchecked) reportsUrl += `&target=unchecked_reports`
 
-  const { data, error } = useSWR(
-    practices
-      ? `/api/reports.json?user_id=${userId}&page=${page}&practice_id=${userPracticeId}`
-      : unchecked
-      ? `/api/reports/unchecked.json?page=${page}&user_id=${userId}`
-      : userId !== ''
-      ? `/api/reports.json?page=${page}&user_id=${userId}`
-      : practiceId !== ''
-      ? `/api/reports.json?page=${page}&practice_id=${practiceId}`
-      : companyId !== ''
-      ? `/api/reports.json?page=${page}&company_id=${companyId}`
-      : all === true
-      ? `/api/reports.json?page=${page}&practice_id=${userPracticeId}`
-      : console.log('data_fetched!'),
-    fetcher
-  )
+  const { data, error } = useSWR(reportsUrl, fetcher)
 
   if (error) return <>エラーが発生しました。</>
   if (!data) {
diff --git a/app/views/reports/_report_body.html.slim b/app/views/reports/_report_body.html.slim
index d0d0c54fc62..d14663a35d8 100644
--- a/app/views/reports/_report_body.html.slim
+++ b/app/views/reports/_report_body.html.slim
@@ -14,7 +14,7 @@
             = report.user.unchecked_report_message(count, report.user)
         ul.card-body-main-actions__items
           li.card-body-main-actions__item
-            = link_to user_reports_path(report.user), class: "card-body-main-actions__action a-button is-sm #{report.user.user_report_count_class(count)} is-block", target: '_blank', rel: 'noopener' do
+            = link_to user_reports_path(report.user, target: 'unchecked_reports'), class: "card-body-main-actions__action a-button is-sm #{report.user.user_report_count_class(count)} is-block", target: '_blank', rel: 'noopener' do
               | #{report.user.login_name}さんの日報一覧へ
     - else
       .card-body-main-actions.p-0
diff --git a/app/views/users/reports/index.html.slim b/app/views/users/reports/index.html.slim
index 3c7ba361aae..f80663e0794 100644
--- a/app/views/users/reports/index.html.slim
+++ b/app/views/users/reports/index.html.slim
@@ -4,4 +4,13 @@
 = render 'users/page_title', user: @user
 = user_page_tabs(@user, active_tab: '日報')
 
-= react_component('Reports', userId: @user.id, practices: @current_user_practice.sorted_practices)
+- if admin_or_mentor_login?
+  nav.tab-nav(class="#{mentor_login? ? 'is-only-mentor' : ''}")
+    .container
+      ul.tab-nav__items
+        - targets = %w[all_reports unchecked_reports]
+        - targets.each do |target|
+          li.tab-nav__item
+            = link_to t("target.#{target}"), user_reports_path(@user, target:), class: (@target == target ? ['is-active'] : []) << 'tab-nav__item-link'
+
+= react_component('Reports', userId: @user.id, practices: @current_user_practice.sorted_practices, unchecked: (@target == 'unchecked_reports'))
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index f4fd2bfcd32..8087352569b 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -467,6 +467,8 @@ ja:
     rails_course: Rails
     front_end_course: フロントエンド
     other_courses: その他
+    all_reports: 全て
+    unchecked_reports: 未チェック
   invitation_role:
     adviser: アドバイザー
     trainee: 研修生(%{payment_method})