Istanbul challenger · ATP
Istanbul challenger 2026
ChallengerHardIstanbul, Türkiye6 September – 13 September 2026Prize money: 107,000 USD49 matchesAltitude: 32 mCourt: Medium-slow
Champion Max Basing · Final: 6-4 6-2
Final rounds
| Final | Max Basing vs Jay Friend | 6-3 1-6 6-0 |
| Semifinal | Jay Friend vs Maks Kasnikowski | 7-6(4) 6-4 |
| Semifinal | Max Basing vs Harold Mayot | 6-1 6-3 |
| Quarterfinal | Maks Kasnikowski vs Francesco Maestrelli | 6-0 2-6 6-1 |
| Quarterfinal | Jay Friend vs Yanki Erel | 3-6 6-4 6-3 |
| Quarterfinal | Max Basing vs Edas Butvilas | 6-3 6-4 |
| Quarterfinal | Harold Mayot vs Dimitar Kuzmanov | 6-4 6-2 |
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