The Haier Bosphorus Challenger Cup is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It is held in İstinye, Istanbul, Turkey.
Past finals Singles YearChampionRunner-upScore 2026 David Jordà Sanchis Andrej Nedić 6–4, 6–4
Doubles YearChampionsRunners-upScore 2026 George Goldhoff Theodore Winegar Filip Duda Stefan Latinović 7–5, 6–2
See also İstanbul Open, a WTA 125 Challenger event held also in İstinye at the same venue in May
References
External links Istanbul (TTF) Overview ATP Tour Tennis