Pharmacokinetic, Pharmacodynamic, Safety, and Efficacy Study of Rivaroxaban for Thromboprophylaxis in Pediatric Participants 2 to 8 Years of Age After the Fontan Procedure

Participants will receive oral suspension containing rivaroxaban 1 milligram per milliliter (mg/ml) twice daily in Part A and Part B. Following total daily doses of Rivaroxaban will be administered based on the weight of the participants: 7 to \<8 kilogram (kg) will receive 2.2 milligram (mg); 8 to \<10 kg will receive 3.2 mg; 10 to\<12 kg will receive 3.4 mg; 12 to \<20 will receive 4.0 mg and 20 to \<30 will receive 5.0 mg.

Participants will receive 5 milligram per kilogram (mg/kg) of acetylsalicylic acid once daily up to 12 months in Part B.