Between 4–6 September 2026, Wikipedia editors created and seeded pages for three tennis tournaments: the AON Open Challenger in Genoa (singles and doubles), Istanbul Challenger, and Tolentino Open. All pages documented defending champions and event structure for upcoming September competitions.
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Adamtt9: ← Created page with '{{TennisEventInfo|2026|AON Open Challenger| | date=7–13 September | edition=22nd | location= Genoa , Italy | surface= Clay | defchamps={{flagicon|ITA}} Luciano Darderi | defchampd={{flagicon|NED}} Mick Veldheer / {{flagicon|POL}} Szymon Walków }} The '''2026 AON Open Challenger ''' was a professional tennis tournament played on clay courts . It was the 22nd edition of
Adamtt9: ← Created page with '{{Tennis events|2026|AON Open Challenger| | defchamp = {{flagicon|ITA}} Luciano Darderi | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 AON Open Challenger}} Luciano Darderi was the defending champion<ref>https://tennistourtalk.com/125787/darderi-crowned-champion-at-aon-open-challenger-in-genova</ref> but chose not to defend his titl
Adamtt9: ← Created page with '{{Tennis events|2026|AON Open Challenger|s | defchamp = {{flagicon|NED}} Mick Veldheer <br>{{flagicon|POL}} Szymon Walków | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 AON Open Challenger}} Mick Veldheer and Szymon Walków are the defending champions.<ref>https://tennistourtalk.com/125861/tennis-padel-and-basketball-the-sporting-lif
Adamtt9: ← Created page with '{{Infobox tennis event|2026|Copa Sevilla| | date=7–13 September | edition=28th | surface= Clay | location= Seville , Spain | defchamps={{flagicon|PER}} Ignacio Buse | defchampd={{flagicon|CZE}} Jonáš Forejtek / {{flagicon|CZE}} Dominik Kellovský }} The '''2026 Copa Sevilla ''' was a professional tennis tournament played on clay courts . It was the 28th edition of the
Adamtt9: ← Created page with '{{Tennis events|2026|Copa Sevilla| | defchamp = {{flagicon|PER}} Ignacio Buse | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Copa Sevilla}} Ignacio Buse was the defending champion<ref>https://tennistourtalk.com/125745/buse-battles-past-olivieri-to-claim-lxii-copa-sevilla-title</ref> but chose not to defend his title. ==Seeds== {{col
Adamtt9: ← Created page with '{{Tennis events|2026|Copa Sevilla|s | defchamp = {{flagicon|CZE}} Jonáš Forejtek <br>{{flagicon|CZE}} Dominik Kellovský | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Copa Sevilla}} Jonáš Forejtek and Dominik Kellovský are the defending champions.<ref>https://copasevilla.com/index.php?id=18&blog=1655</ref> ==Seeds== {{columns-list|c
Adamtt9: ← Created page with '{{TennisEventInfo|2026|Shanghai Challenger| | date=7–13 September | edition=13th | location= Shanghai , China | surface= Hard | defchamps={{flagicon|ITA}} Giulio Zeppieri | defchampd={{flagicon|THA}} Pruchya Isaro / {{flagicon|IND}} Niki Kaliyanda Poonacha }} The '''2026 Shanghai Challenger ''' was a professional tennis tournament played on hardcourts . It was the 13t
Adamtt9: ← Created page with '{{Tennis events|2026|Shanghai Challenger| | defchamp = {{flagicon|ITA}} Giulio Zeppieri | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Shanghai Challenger}} Giulio Zeppieri was the defending champion<ref>https://tennistourtalk.com/125796/zeppieri-returns-to-winning-ways-in-shanghai</ref> but chose not to defend his title. ==Seeds==
Adamtt9: ← Created page with '{{Tennis events|2026|Shanghai Challenger|s | defchamp = {{flagicon|THA}} Pruchya Isaro <br>{{nowrap|{{flagicon|IND}} Niki Kaliyanda Poonacha }} | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Shanghai Challenger}} Pruchya Isaro and Niki Kaliyanda Poonacha are the defending champions.<ref>https://www.olympics.com/en/news/open-menorca-
Adamtt9: ← Created page with '{{Infobox tennis event|2026|NÖ Open| | date=7–13 September | edition=6th | surface= Clay | location= Tulln an der Donau , Austria | defchamps={{flagicon|ARG}} Marco Trungelliti | defchampd={{flagicon|AUT}} Neil Oberleitner / {{flagicon|AUT}} Joel Schwärzler }} The '''2026 NÖ Open ''' was a professional tennis tournament played on clay courts . It was the sixth edition
Adamtt9: ← Created page with '{{Tennis events|2026|NÖ Open| | defchamp = {{flagicon|ARG}} Marco Trungelliti | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 NÖ Open}} Marco Trungelliti was the defending champion<ref>https://tennistourtalk.com/125769/trungelliti-triumphs-in-tulln-claims-no-open-title</ref> but chose not to defend his title. ==Seeds== {{columns-list
Adamtt9: ← Created page with '{{Tennis events|2026|NÖ Open|s | defchamp = {{flagicon|AUT}} Neil Oberleitner <br>{{flagicon|AUT}} Joel Schwärzler | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 NÖ Open}} Neil Oberleitner and Joel Schwärzler are the defending champions.<ref>https://tennistourtalk.com/125734/schwaerzler-shines-in-tulln-singles-run-ends-in-semis-but-
Adamtt9: ← Created page with '{{Infobox tennis event|2026|Cassis Open Provence| | date=7–13 September | edition=8th | surface= Hard | location= Cassis , France | defchamps={{flagicon|GBR}} Billy Harris | defchampd={{flagicon|AUT}} David Pichler / {{flagicon|AUT}} Jurij Rodionov }} The '''2026 Cassis Open Provence ''' was a professional tennis tournament played on hard courts . It was the eight...'
Adamtt9: ← Created page with '{{Tennis events|2026|Cassis Open Provence| | defchamp = {{flagicon|GBR}} Billy Harris | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Cassis Open Provence}} Billy Harris is the defending champion.<ref>https://www.lta.org.uk/news/2025/september/billy-harris-wins-first-atp-challenger-title-in-cassis-brits-star-in-new-york/</ref> ==Seed
Adamtt9: ← Created page with '{{Tennis events|2026|Cassis Open Provence|s | defchamp = {{flagicon|AUT}} David Pichler <br>{{flagicon|AUT}} Jurij Rodionov | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Cassis Open Provence}} David Pichler and Jurij Rodionov are the defending champions.<ref>https://tennistourtalk.com/126121/choinski-to-face-kopriva-for-layjet-open
Adamtt9: ← Created page with '{{Infobox tennis event|2026|Istanbul Challenger| | date=7–13 September | edition=40th | surface= Hard | location= Istanbul , Turkey | defchamps={{flagicon|SVK}} Alex Molčan | defchampd={{flagicon|SVK}} Miloš Karol / {{flagicon|GER}} Daniel Masur }} The '''2026 Istanbul Challenger ''' was a professional tennis tournament played on hardcourts . It was the 40th edition o
Adamtt9: ← Created page with '{{Tennis events|2026|Istanbul Challenger| | defchamp = {{flagicon|SVK}} Alex Molčan | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Istanbul Challenger}} Alex Molčan was the defending champion<ref>https://tennistourtalk.com/125831/molcan-wins-instanbul-challenger-ted-open</ref> but chose not to defend his title. ==Seeds== {{columns-l
Adamtt9: ← Created page with '{{Tennis events|2026|Istanbul Challenger|s | defchamp = {{flagicon|SVK}} Miloš Karol <br>{{flagicon|GER}} Daniel Masur | champ = | runner = | score = | edition = | type = singles doubles }} {{main|2026 Istanbul Challenger}} Miloš Karol and Daniel Masur are the defending champions.<ref>https://www.tennis.de/news/mitfiebern/tennis-ticker/2025/tennis-ticker--dtb-talente-
Rafter913: ← Created page with '{{short description|Tennis tournament}} {{Infobox tennis event|2026|Tolentino Open| | date=21–27 September 2026 | edition=2nd | surface= Clay | location= Tolentino , Italy | category= WTA 125 | prize_money = €100,000 | defchamps={{flagicon|UKR}} Oleksandra Oliynykova | defchampd={{flagicon|CZE}} Jesika Malečková / {{flagicon|CZE}} Miriam Škoch }} The '''2026 Tolenti