diff --git a/components/match2/commons/match_group_input_util.lua b/components/match2/commons/match_group_input_util.lua
index 33d4e91c643..b6b1d36790f 100644
--- a/components/match2/commons/match_group_input_util.lua
+++ b/components/match2/commons/match_group_input_util.lua
@@ -1080,7 +1080,7 @@ end
 ---@class MatchParserInterface
 ---@field extractMaps fun(match: table, opponents: table[], mapProps: any?): table[]
 ---@field getBestOf fun(bestOfInput: string|integer, maps: table[]): integer
----@field calculateMatchScore fun(maps: table[]): fun(opponentIndex: integer): integer
+---@field calculateMatchScore? fun(maps: table[]): fun(opponentIndex: integer): integer
 ---@field removeUnsetMaps? fun(maps: table[]): table[]
 ---@field getExtraData? fun(match: table, games: table[], opponents: table[]): table
 ---@field getLinks? fun(match: table, games: table[]): table
@@ -1093,9 +1093,9 @@ end
 --- The Parser injection must have the following functions:
 --- - extractMaps(match, opponents, mapProps): table[]
 --- - getBestOf(bestOfInput, maps): integer
---- - calculateMatchScore(maps): fun(opponentIndex): integer
 ---
 --- It may optionally have the following functions:
+--- - calculateMatchScore(maps): fun(opponentIndex): integer
 --- - removeUnsetMaps(maps): table[]
 --- - getExtraData(match, games, opponents): table
 --- - getLinks
@@ -1124,7 +1124,7 @@ function MatchGroupInputUtil.standardProcessMatch(match, Parser, mapProps)
 
 	match.links = Parser.getLinks and Parser.getLinks(match, games) or MatchGroupInputUtil.getLinks(match)
 
-	local autoScoreFunction = MatchGroupInputUtil.canUseAutoScore(match, games)
+	local autoScoreFunction = (Parser.calculateMatchScore and MatchGroupInputUtil.canUseAutoScore(match, games))
 		and Parser.calculateMatchScore(games)
 		or nil
 	Array.forEach(opponents, function(opponent, opponentIndex)