Grand Slam events Tier I tournaments Tier II tournaments Sydney (S , D )Paris (S , D )Essen (S , D )Indian Wells (S , D )Amelia Island (S , D )Hamburg (S , D )Madrid (S , D )Eastbourne (S , D )Manhattan Beach (S , D )San Diego (S , D )Tokyo (S , D )Leipzig (S , D )Filderstadt (S , D )Chicago (S , D )Oakland (S , D )Philadelphia (S , D )Tier III tournaments Oklahoma City (S , D )Linz (S , D )Jakarta (S , D )Tokyo Outdoor (S , D )Strasbourg (S , D )Birmingham (S , D )Rosmalen (S , D )Warsaw (S , D )Quebec City (S , D )Luxembourg (S , D )Moscow (S , D )Tier IV tournaments Auckland (S , D )Hobart (S , D )Bol (S , D )Budapest (S , D )Cardiff (S , D )Palermo (S , D )Maria Lankowitz (S , D )Karlovy Vary (S , D )Surabaya (S , D )Beijing (S , D )Pattaya (S , D )Team events