Open, Open Floridablanca, Swiss Open Gstaad, Nottingham Open, Maharashtra Open, Bytom Open, Open Business, Miami Open, Montreux Open, ATP Mumbai Open, German Open (WTA), Chile Open, Open source, US Open Series, Reykjavík Open, Iași Open, Open Barranquilla, Euroformula Open, Moselle Open, Czech Open (Prostějov), Halle Open, Hungarian Open (ATP), Makarska Open, Poznań Open, Rosmalen Open, Open Bogotá, Tali Open, Open Fiber, Open Medellin, Automobile open source, Thailand Open (WTA), Braunschweig Open, Barcelona Open, Korea Open Tennis Championships, Open Nantes ITF, Ostrava Open WTA, Wuhan Open 2014, Open Cali I, Open government, Bangalore Open, Estoril Open

Open science, Victorian Open, Madrid Open, Madrid Open 2009, Tata Open 2002, Madrid Open 2010, Liberec Open, Katowice Open, Danish Open, Open CASCADE Technology, Vienna Open, Open Pereira, Auckland Open, Cincinnati Open, Colombia Open (1994-2010), Genoa Open Challenger, Madrid Open 2012, US Open (tennis), Polish Open, Open d'Orleans, Essen Open 1995, Halle Open 1993, Rafa Nadal Open, Slovenia Open Challenger, Chennai Open 2003, German Open 2014, Mérida Open, Warsaw Open (1998-2008), Canadian Open, Halle Open 2014, Madrid Open 2011, Büschl Open, Topshelf Open 2013, Miami Open 2015, Rotterdam Open 2023, Japan Women's Open Tennis, Halle Open 2018, Sofia Open Challenger, Andalucia Open, Open access, NYJTL Bronx Open, The Hague Open, Halle Open 2017, German Open 2015, Szczecin Open, Henderson Tennis Open, Qatar Ladies Open, UNICEF Open 2010, Halle Open 2016, Australian Open

Open, Open Floridablanca, Swiss Open Gstaad, Nottingham Open, Maharashtra Open, Bytom Open, Open Business, Miami Open, Montreux Open, ATP Mumbai Open, German Open (WTA), Chile Open, Open source, US Open Series, Reykjavík Open, Iași Open, Open Barranquilla, Euroformula Open, Moselle Open, Czech Open (Prostějov), Halle Open, Hungarian Open (ATP), Makarska Open, Poznań Open, Rosmalen Open, Open Bogotá, Tali Open, Open Fiber, Open Medellin, Automobile open source, Thailand Open (WTA), Braunschweig Open, Barcelona Open, Korea Open Tennis Championships, Open Nantes ITF, Ostrava Open WTA, Wuhan Open 2014, Open Cali I, Open government, Bangalore Open, Estoril Open, Open science, Victorian Open, Madrid Open, Madrid Open 2009, Tata Open 2002, Madrid Open 2010, Liberec Open, Katowice Open, Danish Open, Open CASCADE Technology, Vienna Open, Open Pereira, Auckland Open, Cincinnati Open, Colombia Open (1994-2010), Genoa Open Challenger, Madrid Open 2012, US Open (tennis), Polish Open, Open d'Orleans, Essen Open 1995, Halle Open 1993, Rafa Nadal Open, Slovenia Open Challenger, Chennai Open 2003, German Open 2014, Mérida Open, Warsaw Open (1998-2008), Canadian Open, Halle Open 2014, Madrid Open 2011, Büschl Open, Topshelf Open 2013, Miami Open 2015, Rotterdam Open 2023, Japan Women's Open Tennis, Halle Open 2018, Sofia Open Challenger, Andalucia Open, Open access, NYJTL Bronx Open, The Hague Open, Halle Open 2017, German Open 2015, Szczecin Open, Henderson Tennis Open, Qatar Ladies Open, UNICEF Open 2010, Halle Open 2016, Australian Open, I. ČLTK Prague Open, Altenkirchen Ladies Open, Halle Open 2015, Halle Open 2019, Córdoba Open, Serbia Challenger Open, Korea Open 2015, Dutch Open, Wuhan Open 2017, Wuhan Open 2015, Rotterdam Open 2024, Wuhan Open 2018, Miami Open 2001, Japan Women's Open Tennis 2010, Hyderabad Open 2005, Halle Open 2011, Chile Open 2024, Colombia Open (2013-2015), Halle Open 2013, Austrian Open Kitzbühel, Hamburg European Open, Prague Open II 2020, Roma Open II, Open Pau-Pyrénées, Open Quimper Bretagne Occidentale, Open Water, Washington Open, Japan Women's Open Tennis 2009, Bad Waltersdorf Open, Sopot Open 1998, Open de Limoges, Ecuador Open, Copenaghen Open 2002, Open University, Pétange Open, Ladies Open Lugano, Miami Open 2003, Sopot Open 2006, San Diego Open, Athens Open Challenger, Miami Open 2007, Maceió Open 1992, Copenaghen Open 1999, Prague Open II, Canada Open 1972, Prague Open Challenger 2021, Wuhan Open 2016, Open 13, Miami Open 2008, Open Guadeloupe, Tata Open Maharashtra 2023, Estoril Open 2009, Japan Women's Open Tennis 2011, Irish Open, Madrid Open 2013, Halle Open 2003, Open di Zurigo, Miami Open 2006, Chile Open 2023, Tata Open 2004