Open, Open Floridablanca, Maharashtra Open, German Open (WTA), Chile Open, Open source, Nottingham Open, Reykjavík Open, Montreux Open, Iași Open, Poznań Open, Czech Open (Prostějov), Open Business, US Open Series, Makarska Open, ATP Mumbai Open, Bytom Open, Thailand Open (WTA), Rosmalen Open, Open Bogotá, Miami Open, Braunschweig Open, Korea Open Tennis Championships, Barcelona Open, Open government, Madrid Open 2009, Open Barranquilla, Halle Open, Swiss Open Gstaad, Estoril Open, Open CASCADE Technology, Hungarian Open (ATP), Moselle Open, Danish Open, Euroformula Open, Open Nantes ITF, Tali Open, Open Fiber, Polish Open, Cincinnati Open, Madrid Open 2012
Madrid Open 2010, Auckland Open, Madrid Open 2011, Open science, Wuhan Open 2014, Mérida Open, Warsaw Open (1998-2008), US Open (tennis), Essen Open 1995, Open Medellin, Open d'Orleans, Ostrava Open WTA, Open Cali I, Miami Open 2015, Automobile open source, Canadian Open, Henderson Tennis Open, The Hague Open, Japan Women's Open Tennis, Madrid Open, I. ČLTK Prague Open, Open access, Córdoba Open, Bangalore Open, Prague Open II 2020, Serbia Challenger Open, Qatar Ladies Open, Victorian Open, Colombia Open (1994-2010), Dutch Open, Vienna Open, NYJTL Bronx Open, Australian Open, Open University, UNICEF Open 2010, Szczecin Open, Miami Open 2001, Austrian Open Kitzbühel, Tata Open 2002, Prague Open II, Miami Open 2008, Miami Open 2007, Washington Open, Ecuador Open, Halle Open 2003, Topshelf Open 2013, Halle Open 1993, San Diego Open, Miami Open 2003, Miami Open 2006
Open, Open Floridablanca, Maharashtra Open, German Open (WTA), Chile Open, Open source, Nottingham Open, Reykjavík Open, Montreux Open, Iași Open, Poznań Open, Czech Open (Prostějov), Open Business, US Open Series, Makarska Open, ATP Mumbai Open, Bytom Open, Thailand Open (WTA), Rosmalen Open, Open Bogotá, Miami Open, Braunschweig Open, Korea Open Tennis Championships, Barcelona Open, Open government, Madrid Open 2009, Open Barranquilla, Halle Open, Swiss Open Gstaad, Estoril Open, Open CASCADE Technology, Hungarian Open (ATP), Moselle Open, Danish Open, Euroformula Open, Open Nantes ITF, Tali Open, Open Fiber, Polish Open, Cincinnati Open, Madrid Open 2012, Madrid Open 2010, Auckland Open, Madrid Open 2011, Open science, Wuhan Open 2014, Mérida Open, Warsaw Open (1998-2008), US Open (tennis), Essen Open 1995, Open Medellin, Open d'Orleans, Ostrava Open WTA, Open Cali I, Miami Open 2015, Automobile open source, Canadian Open, Henderson Tennis Open, The Hague Open, Japan Women's Open Tennis, Madrid Open, I. ČLTK Prague Open, Open access, Córdoba Open, Bangalore Open, Prague Open II 2020, Serbia Challenger Open, Qatar Ladies Open, Victorian Open, Colombia Open (1994-2010), Dutch Open, Vienna Open, NYJTL Bronx Open, Australian Open, Open University, UNICEF Open 2010, Szczecin Open, Miami Open 2001, Austrian Open Kitzbühel, Tata Open 2002, Prague Open II, Miami Open 2008, Miami Open 2007, Washington Open, Ecuador Open, Halle Open 2003, Topshelf Open 2013, Halle Open 1993, San Diego Open, Miami Open 2003, Miami Open 2006, Ladies Open Lugano, Chennai Open 2003, Madrid Open 2013, Hamburg European Open, Canada Open 1972, Halle Open 2011, Open de Limoges, Halle Open 2012, Open Pereira, Estoril Open 2009, Halle Open 1999, Liberec Open, Sopot Open 2001, Halle Open 2008, Halle Open 2015, Halle Open 1998, Halle Open 2019, Madrid Open 2015, Madrid Open 2014, Heilbronn Open, Halle Open 2007, Miami Open 2009, Tata Open Maharashtra 2023, Roma Open II, Katowice Open, St. Petersburg Open 1991, Halle Open 2000, Halle Open 2001, Büschl Open, Halle Open 2017, Sopot Open 2003, WTA Mumbai Open, Roma Open, Tata Open 2004, Halle Open 2002, Miami Open 2005, Open di Zurigo, Madrid Open 2016, Copenaghen Open 1999, Miami Open 2004, Halle Open 2018, Halle Open 1997, Madrid Open 2018, Romanian Open 2009, Kosice Open, Zhengzhou Open, Miami Open 2002, Rotterdam Open 2023, Halle Open 2013, Open Bucaramanga 2012, Romanian Open 2010, Bermuda Open Challenger, Romanian Open 2008, Halle Open 2016, Slovenia Open Challenger, Korea Open 2015, Open 13, German Open 2016, Sopot Open 2004, Open Source Intelligence