Sao Paulo • ATP CH 100 R1 Barrena A 7 64 16 76¹ 25 March Santiago • ATP CH 75 R2 Moreno de Alboran N Q 57 63 64 11 March R1 Faria J 3 67³ 64 75 10 March Q2 Nunez D 11 46 63 60 9 March Q1 Cossu M WC 63 63 8 March Brasilia • ATP CH 75 R2 Heide G 64 46 64 4 March R1 Sakamoto P Q 67⁴ 64 61 3 March Tigre • ATP CH 50 R2 Torres J 62 60 25 February R1 Agamenone F 76² 61 23 February Rio de Janeiro • ATP 500 R1 Buse I 46 75 64 17 February Q2 Faria J 61 76⁵ 15 February Q1 Tseng C 3 63 76⁵ 14 February Rosario • ATP CH 125 R1 Diaz Acosta F 76³ 60 4 February Q2 Aboian V 7 63 62 2 February Q1 Bieldiugin T 63 61 1 February Conception • ATP CH 100 R1 Cecchinato M 60 63 28 January Q2 Agamenone F 1 64 75 27 January Q1 Cossu M WC 63 76² 26 January Itajai • ATP CH 75 QF Seyboth Wild T 8 62 64 23 January R2 Dellien H 1 64 62 22 January R1 Meligeni Alves F 61 62 20 January