diff --git a/doc/fugitive.txt b/doc/fugitive.txt
index d1514ff..e102f91 100644
--- a/doc/fugitive.txt
+++ b/doc/fugitive.txt
@@ -53,6 +53,7 @@ that are part of Git repositories).
                         p     |:Git| reset --patch (staged files)
                         q     close status
                         R     reload status
+                        S     |:Gvsplit|
 
                                                 *fugitive-:Gcommit*
 :Gcommit [args]         A wrapper around git-commit.  If there is nothing
@@ -232,6 +233,10 @@ These maps are available in Git objects.
                                                 *fugitive-o*
 o                       Jump to the revision under the cursor in a new split.
 
+                                                *fugitive-S*
+S                       Jump to the revision under the cursor in a new
+                        vertical split.
+
                                                 *fugitive-O*
 O                       Jump to the revision under the cursor in a new tab.
 
diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index a3ec3cf..10d2220 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -2172,6 +2172,7 @@ function! s:JumpInit() abort
   nnoremap <buffer> <silent> <CR>    :<C-U>exe <SID>GF("edit")<CR>
   if !&modifiable
     nnoremap <buffer> <silent> o     :<C-U>exe <SID>GF("split")<CR>
+    nnoremap <buffer> <silent> S     :<C-U>exe <SID>GF("vsplit")<CR>
     nnoremap <buffer> <silent> O     :<C-U>exe <SID>GF("tabedit")<CR>
     nnoremap <buffer> <silent> -     :<C-U>exe <SID>Edit('edit',0,<SID>buffer().up(v:count1))<CR>
     nnoremap <buffer> <silent> P     :<C-U>exe <SID>Edit('edit',0,<SID>buffer().commit().'^'.v:count1.<SID>buffer().path(':'))<CR>
@@ -2179,6 +2180,7 @@ function! s:JumpInit() abort
     nnoremap <buffer> <silent> C     :<C-U>exe <SID>Edit('edit',0,<SID>buffer().containing_commit())<CR>
     nnoremap <buffer> <silent> cc    :<C-U>exe <SID>Edit('edit',0,<SID>buffer().containing_commit())<CR>
     nnoremap <buffer> <silent> co    :<C-U>exe <SID>Edit('split',0,<SID>buffer().containing_commit())<CR>
+    nnoremap <buffer> <silent> cS    :<C-U>exe <SID>Edit('vsplit',0,<SID>buffer().containing_commit())<CR>
     nnoremap <buffer> <silent> cO    :<C-U>exe <SID>Edit('tabedit',0,<SID>buffer().containing_commit())<CR>
     nnoremap <buffer> <silent> cp    :<C-U>exe <SID>Edit('pedit',0,<SID>buffer().containing_commit())<CR>
   endif