diff --git a/components/layout_2020/table/layout.rs b/components/layout_2020/table/layout.rs
index 931a1da618c..f49c1d82c5c 100644
--- a/components/layout_2020/table/layout.rs
+++ b/components/layout_2020/table/layout.rs
@@ -203,7 +203,7 @@ impl<'a> TableLayout<'a> {
                     block: padding.block_sum() + border.block_sum(),
                 };
 
-                let (size, min_size, max_size) =
+                let (size, min_size, max_size, inline_size_is_auto) =
                     get_outer_sizes_from_style(&cell.style, writing_mode, &padding_border_sums);
                 let percentage_contribution =
                     get_size_percentage_contribution_from_style(&cell.style, writing_mode);
@@ -233,7 +233,13 @@ impl<'a> TableLayout<'a> {
 
                     // These formulas differ from the spec, but seem to match Gecko and Blink.
                     let outer_min_content_width = if is_in_fixed_mode {
-                        size.inline.min(max_size.inline).max(min_size.inline)
+                        if inline_size_is_auto {
+                            // This is an outer size, but we deliberately ignore borders and padding.
+                            // This is like allowing the content-box width to be negative.
+                            Au::zero()
+                        } else {
+                            size.inline.min(max_size.inline).max(min_size.inline)
+                        }
                     } else {
                         inline_content_sizes
                             .min_content
@@ -714,7 +720,7 @@ impl<'a> TableLayout<'a> {
                     block: padding.block_sum() + border.block_sum() + margin.block_sum(),
                 };
 
-                let (size, min_size, max_size) =
+                let (size, min_size, max_size, _) =
                     get_outer_sizes_from_style(&context.style, writing_mode, &padding_border_sums);
                 let size_is_auto = context.style.box_size(writing_mode).inline.is_auto();
 
@@ -2566,7 +2572,7 @@ impl Table {
             None => return CellOrTrackMeasure::zero(),
         };
 
-        let (size, min_size, max_size) =
+        let (size, min_size, max_size, _) =
             get_outer_sizes_from_style(&column.style, writing_mode, &LogicalVec2::zero());
         let percentage_contribution =
             get_size_percentage_contribution_from_style(&column.style, writing_mode);
@@ -2755,7 +2761,7 @@ fn get_outer_sizes_from_style(
     style: &Arc<ComputedValues>,
     writing_mode: WritingMode,
     padding_border_sums: &LogicalVec2<Au>,
-) -> (LogicalVec2<Au>, LogicalVec2<Au>, LogicalVec2<Au>) {
+) -> (LogicalVec2<Au>, LogicalVec2<Au>, LogicalVec2<Au>, bool) {
     let box_sizing = style.get_position().box_sizing;
     let outer_size = |size: LogicalVec2<Au>| match box_sizing {
         BoxSizing::ContentBox => size + *padding_border_sums,
@@ -2774,10 +2780,12 @@ fn get_outer_sizes_from_style(
             .map_or(MAX_AU, Au::from)
     };
 
+    let size = style.box_size(writing_mode);
     (
-        outer_size(style.box_size(writing_mode).map(get_size_for_axis)),
+        outer_size(size.map(get_size_for_axis)),
         outer_size(style.min_box_size(writing_mode).map(get_size_for_axis)),
         outer_size(style.max_box_size(writing_mode).map(get_max_size_for_axis)),
+        size.inline.is_auto(),
     )
 }
 
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a01.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a01.xht.ini
deleted file mode 100644
index 520059fb85d..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a01.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a01.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a02.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a02.xht.ini
deleted file mode 100644
index 0e16108b883..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a02.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a02.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a03.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a03.xht.ini
deleted file mode 100644
index 44083ca295d..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a03.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a03.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a04.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a04.xht.ini
deleted file mode 100644
index 0dc9004be45..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a04.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a04.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a05.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a05.xht.ini
deleted file mode 100644
index 4b17e46b7a8..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a05.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a05.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a06.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a06.xht.ini
deleted file mode 100644
index fa50c3011ae..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003a06.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003a06.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d01.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d01.xht.ini
deleted file mode 100644
index b04612af63e..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d01.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d01.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d02.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d02.xht.ini
deleted file mode 100644
index 521d83c6bbf..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d02.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d02.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d03.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d03.xht.ini
deleted file mode 100644
index 4d133e4ecb6..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d03.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d03.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d04.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d04.xht.ini
deleted file mode 100644
index 0dc73e7a7fc..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d04.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d04.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d05.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d05.xht.ini
deleted file mode 100644
index 2e95996169c..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d05.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d05.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d06.xht.ini b/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d06.xht.ini
deleted file mode 100644
index d644433e7fc..00000000000
--- a/tests/wpt/meta/css/CSS2/tables/fixed-table-layout-003d06.xht.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[fixed-table-layout-003d06.xht]
-  expected: FAIL
diff --git a/tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed-padding.html.ini b/tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed-padding.html.ini
index e6a00f04b98..e234381178a 100644
--- a/tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed-padding.html.ini
+++ b/tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed-padding.html.ini
@@ -1,7 +1,4 @@
 [table-width-redistribution-fixed-padding.html]
-  [table 6]
-    expected: FAIL
-
   [table 10]
     expected: FAIL