Open, Prague Open, Swedish Open, Maharashtra Open, Nottingham Open, Stockholm Open, US Open Series, Korea Open, Mérida Open, Chile Open, Rouen Open, Romanian Open, Luxembourg Open, Jasmin Open, German Open, Ostrava Open, Slovak Open, Shenzhen Open, WTA Prague Open, Czech Open (1987–1999), Lyon Open, Hong Kong Open, Guangzhou Open, Emilia-Romagna Open, WTA Lyon Open, SP Open, Valencia Open, Barcelona Open, Geneva Open, WTA Japan Open Tennis Championships, Swiss Open (tenis), Qatar Open, Thailand Open (ATP), Ecuador Open Quito, Iași Open, Malaysian Open (tenis), Iași Open 2024, Almaty Open, Andalucia Open 2021, San Diego Open, OpenServer

China Open (tenis), Croatia Open Umag, Hamburg Open, Serbia Open, Japan Open Tennis Championships, Sofia Open, Poland Open, Abu Dhabi Open, Thailand Open (Pattaya), Madrid Open, Atlanta Open, E-Boks Open, Heaven's Open (píseň), Ladies Open Lugano, Stuttgart Open, Bangalore Open, Qatar Ladies Open, Rio Open, Guadalajara Open, Rouen Open 2023, Open-source hardware, Estoril Open (tenis), Swedish Open 2016, Țiriac Open 2024, Swedish Open 2017, Mérida Open Akron 2023, AGEL Open 2022, Monterrey Open, ATP Auckland Open, Moselle Open, Swedish Open 2013, Austrian Open Kitzbühel, Rouen Open 2024, Korea Open 2022, Córdoba Open, Washington Open, Open-source licence, Charleston Open, Halle Open, Singapore Tennis Open, Rouen Open 2022, Zhengzhou Open, Wuhan Open, Swedish Open 2015, Düsseldorf Open, Citi Open 2013, Open Gate – gymnázium a základní škola, The Open Group, I. ČLTK Prague Open 2021, Brussels Open

Open, Prague Open, Swedish Open, Maharashtra Open, Nottingham Open, Stockholm Open, US Open Series, Korea Open, Mérida Open, Chile Open, Rouen Open, Romanian Open, Luxembourg Open, Jasmin Open, German Open, Ostrava Open, Slovak Open, Shenzhen Open, WTA Prague Open, Czech Open (1987–1999), Lyon Open, Hong Kong Open, Guangzhou Open, Emilia-Romagna Open, WTA Lyon Open, SP Open, Valencia Open, Barcelona Open, Geneva Open, WTA Japan Open Tennis Championships, Swiss Open (tenis), Qatar Open, Thailand Open (ATP), Ecuador Open Quito, Iași Open, Malaysian Open (tenis), Iași Open 2024, Almaty Open, Andalucia Open 2021, San Diego Open, OpenServer, China Open (tenis), Croatia Open Umag, Hamburg Open, Serbia Open, Japan Open Tennis Championships, Sofia Open, Poland Open, Abu Dhabi Open, Thailand Open (Pattaya), Madrid Open, Atlanta Open, E-Boks Open, Heaven's Open (píseň), Ladies Open Lugano, Stuttgart Open, Bangalore Open, Qatar Ladies Open, Rio Open, Guadalajara Open, Rouen Open 2023, Open-source hardware, Estoril Open (tenis), Swedish Open 2016, Țiriac Open 2024, Swedish Open 2017, Mérida Open Akron 2023, AGEL Open 2022, Monterrey Open, ATP Auckland Open, Moselle Open, Swedish Open 2013, Austrian Open Kitzbühel, Rouen Open 2024, Korea Open 2022, Córdoba Open, Washington Open, Open-source licence, Charleston Open, Halle Open, Singapore Tennis Open, Rouen Open 2022, Zhengzhou Open, Wuhan Open, Swedish Open 2015, Düsseldorf Open, Citi Open 2013, Open Gate – gymnázium a základní škola, The Open Group, I. ČLTK Prague Open 2021, Brussels Open, Katowice Open, Portugal Open 2013, Malaysian Open, Kuala Lumpur, Welsh Open, Ordina Open 2009 – muži, Topshelf Open 2013, Open 13, Brasil Open, Citi Open 2022, Slovenia Open, Noventi Open 2019, I. ČLTK Prague Open 2020, Zürich Open, Livesport Prague Open 2022, Chile Open 2025, Portugal Open, Czech Open, Țiriac Open 2025, Open de Nice Côte d’Azur, Rouen Open 2025, Tashkent Open 2017, Malaysian Open 2016, Winners Open 2021, Thailand Open (Chua Chin), Tashkent Open, I. ČLTK Prague Open 2022, Stockholm Open 2024, Iași Open 2025, UNICEF Open 2010 – muži, BOSS Open 2025, Croatia Open Umag 2015, Estoril Open 2016, Orange Warsaw Open, Jiangxi Open, Montpellier Open, UniCredit Czech Open, Shenzhen Open 2015, Estoril Open 2015, Apache OpenOffice, Kia Korea Open 2014, Nordea Open 2024, Mérida Open Akron 2025, Advantage Cars Prague Open 2023, Advantage Cars Prague Open 2024, Tashkent Open 2016, Ordina Open 2009 – ženy, Gijón Open 2022, Claro Open Colombia, Open 13 2017, BOSS Open 2024, Seznam juniorských vítězů na US Open, Malaysian Open, Tianjin Open, BOSS Open 2023, Estoril Open 2017, Nordea Open 2023, BMW Open 2016, BOSS Open 2022, French Open 2008 – smíšená čtyřhra, Rio Open 2016