.World No. 1 Jannik Sinner stays clear of suspension after examining positive for prohibited drug Yahoo SportsTennis world No 1 Jannik Evildoer won't be appended after evaluating good for steroid two times, ITIA points out Fox NewsATP statement on Jannik Criminal ATP TourWorld No. 1 Jannik Criminal Will Not Skin Revocation After Neglecting 2 Examinations for PEDs Bleacher File.