id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	list_invited_players	NULL	range	PRIMARY,fk_list_invited_players_player_id	PRIMARY	4	NULL	13	94.09	Using where
1	SIMPLE	<subquery2>	NULL	eq_ref	<auto_distinct_key>	<auto_distinct_key>	5	playtennis_dev.list_invited_players.player_id	1	100	Using where; Not exists
2	MATERIALIZED	request_tournament	NULL	ref	fk_request_tournament_tournament_id,fk_request_tournament_user_id	fk_request_tournament_tournament_id	4	const	1	100	NULL