diff --git a/components/match2/wikis/brawlhalla/match_legacy.lua b/components/match2/wikis/brawlhalla/match_legacy.lua
index a49b653fbe..e20e265f3e 100644
--- a/components/match2/wikis/brawlhalla/match_legacy.lua
+++ b/components/match2/wikis/brawlhalla/match_legacy.lua
@@ -61,7 +61,8 @@ function MatchLegacy._convertParameters(match2)
 	local headList = function (opponentIndex, playerIndex)
 		local heads = Set{}
 		Array.forEach(match2.match2games or {}, function(game)
-			local player = ((game.opponents[opponentIndex] or {}).players or {})[playerIndex]
+			local opponents = Json.parseIfString(game.opponents) or {}
+			local player = ((opponents[opponentIndex] or {}).players or {})[playerIndex]
 			if Logic.isDeepEmpty(player) then return end
 			heads:add(player.char)
 		end)
diff --git a/components/match2/wikis/fighters/match_legacy.lua b/components/match2/wikis/fighters/match_legacy.lua
index 8feae83ca7..8ef92f398e 100644
--- a/components/match2/wikis/fighters/match_legacy.lua
+++ b/components/match2/wikis/fighters/match_legacy.lua
@@ -38,8 +38,9 @@ function MatchLegacy._storeGames(match, match2)
 		game.extradata = {}
 
 		if game.mode == 'singles' then
-			local player1 = game2.opponents[1].players[1]
-			local player2 = game2.opponents[2].players[1]
+			local opponents = Json.parseIfString(game2.opponents) or {}
+			local player1 = opponents[1].players[1]
+			local player2 = opponents[2].players[1]
 			game.extradata.char1 = table.concat(Array.map(player1.characters or {}, Operator.property('name')), ',')
 			game.extradata.char2 = table.concat(Array.map(player2.characters or {}, Operator.property('name')), ',')
 		end
@@ -103,7 +104,8 @@ function MatchLegacy._convertParameters(match2)
 	local headList = function(opponentIndex, playerIndex)
 		local heads = Set{}
 		Array.forEach(match2.match2games or {}, function(game)
-			local player = (game.opponents[opponentIndex].players or {})[playerIndex]
+			local opponents = Json.parseIfString(game.opponents) or {}
+			local player = (opponents[opponentIndex].players or {})[playerIndex]
 			if player and Logic.isNotEmpty(player.characters) then
 				Array.forEach(
 					Array.map(player.characters, Operator.property('name')),
diff --git a/components/match2/wikis/smash/match_legacy.lua b/components/match2/wikis/smash/match_legacy.lua
index aa3fd02b64..ad6d5bdea8 100644
--- a/components/match2/wikis/smash/match_legacy.lua
+++ b/components/match2/wikis/smash/match_legacy.lua
@@ -104,7 +104,8 @@ function MatchLegacy._convertParameters(match2)
 	local headList = function(opponentIndex, playerIndex)
 		local heads = Set{}
 		Array.forEach(match2.match2games or {}, function(game)
-			local player = (game.opponents[opponentIndex].players or {})[playerIndex]
+			local opponents = Json.parseIfString(game.opponents) or {}
+			local player = (opponents[opponentIndex].players or {})[playerIndex]
 			if player and Logic.isNotEmpty(player.characters) then
 				Array.forEach(
 					Array.map(player.characters, Operator.property('name')),
diff --git a/components/match2/wikis/starcraft/match_legacy.lua b/components/match2/wikis/starcraft/match_legacy.lua
index 5443be53c9..da04e62f7b 100644
--- a/components/match2/wikis/starcraft/match_legacy.lua
+++ b/components/match2/wikis/starcraft/match_legacy.lua
@@ -48,7 +48,8 @@ function MatchLegacy._storeGames(match, match2)
 			game.extradata.winnerrace = game.extradata.winnerfaction
 			game.extradata.loserrace = game.extradata.loserfaction
 
-			Array.forEach(game.opponents, function(opponent, opponentIndex)
+			local opponents = Json.parseIfString(game.opponents) or {}
+			Array.forEach(opponents, function(opponent, opponentIndex)
 				Array.forEach(opponent.players or {}, function(player, playerIndex)
 					if Logic.isDeepEmpty(player) then return end
 					local matchPlayer = match2.match2opponents[opponentIndex].match2players[playerIndex] or {}
@@ -79,7 +80,8 @@ function MatchLegacy._storeGames(match, match2)
 			submatch.opponent2score = scores[2] or 0
 			submatch.extradata = {}
 
-			Array.forEach(game.opponents, function(opponent, opponentIndex)
+			local opponents = Json.parseIfString(game.opponents) or {}
+			Array.forEach(opponents, function(opponent, opponentIndex)
 				Array.forEach(opponent.players or {}, function(player, playerIndex)
 					if Logic.isDeepEmpty(player) then return end
 					local matchPlayer = match2.match2opponents[opponentIndex].match2players[playerIndex] or {}
diff --git a/components/match2/wikis/warcraft/match_legacy.lua b/components/match2/wikis/warcraft/match_legacy.lua
index 3ee5b741d8..4beb2f6526 100644
--- a/components/match2/wikis/warcraft/match_legacy.lua
+++ b/components/match2/wikis/warcraft/match_legacy.lua
@@ -167,11 +167,13 @@ function MatchLegacy._groupIntoSubmatches(match2, objectName)
 		local submatchIndex = tonumber(game.subgroup)
 		if game.mode ~= '1v1' or not submatchIndex then return end
 
+		local opponents = Json.parseIfString(game.opponents) or {}
+
 		if not submatches[submatchIndex] then
 			submatches[submatchIndex] = {
 				games = {},
 				objectName = objectName .. '_Submatch_' .. submatchIndex,
-				opponents = MatchLegacy._constructSubmatchOpponents(game.opponents or {}, match2.match2opponents)
+				opponents = MatchLegacy._constructSubmatchOpponents(opponents, match2.match2opponents)
 			}
 		end
 		local submatch = submatches[submatchIndex]
@@ -247,7 +249,8 @@ function MatchLegacy._storeGame(game2, gameIndex, match)
 	game.opponent1score = game2.scores[1]
 	game.opponent2score = game2.scores[2]
 
-	local factions, heroes = MatchLegacy._heroesAndFactionFromGameOpponents(game2.opponents)
+	local opponents = Json.parseIfString(game2.opponents) or {}
+	local factions, heroes = MatchLegacy._heroesAndFactionFromGameOpponents(opponents)
 	for opponentIndex = 1, 2 do
 		game.extradata['opponent' .. opponentIndex .. 'race'] = factions[opponentIndex]
 			or game.extradata['opponent' .. opponentIndex .. 'race']