Tennis›Challenger Men - Singles: Istanbul 2 (Turkey), HardK. Matsuda 2-0 D. Ostapenkov: Result, 03 Aug 2026Challenger Men - Singles: Istanbul 2 (Turkey), Hard · 13:55FT↑#481↓#529KMK.Matsuda762vsDOD.Ostapenkov63018+ | Gamble responsiblyMatchStatsH2HScore12Matsuda#481▲76Ostapenkov#529▼63WinnerK. MatsudaRankingsMatsuda#481▲Ostapenkov#529▼Match InfoTournamentChallenger Men - Singles: Istanbul 2 (Turkey), HardDate03 Aug 2026Loading H2H