Grand Slam events Tier I tournaments Tier II tournaments Sydney (S , D )Paris (S , D )Hannover (S , D )Scottsdale (S , D )Amelia Island (S , D )Hamburg (S , D )Eastbourne (S , D )Stanford (S , D )San Diego (S , D )Los Angeles (S , D )New Haven (S , D )Filderstadt (S , D )Tokyo (S , D )Linz (S , D )Leipzig (S , D )Philadelphia (S , D )Tier III tournaments Gold Coast (S , D )Oklahoma City (S , D )Bol (S , D )Madrid (S , D )Strasbourg (S , D )Birmingham (S , D )'s-Hertogenbosch (S , D )Klagenfurt (S , D )Sopot (S , D )Luxembourg (S , D )Tokyo (S , D )Quebec City (S , D )Kuala Lumpur (S , D )Tier IV tournaments Auckland (S , D )Hobart (S , D )Bogota (S , D )Sao Paulo (S , D )Estoril (S , D )Budapest (S , D )Warsaw (S , D )Antwerp (S , D )Tashkent (S , D )Palermo (S , D )Knokke-Heist (S , D )Shanghai (S , D )Bratislava (S , D )Pattaya (S , D )Team events