Nivelles • M 25 R2 Hipfl N 75 67³ 61 1 July R1 Couturier L Q 64 61 30 June Plovdiv • ATP CH 50 R1 Nesterov P 62 62 23 June Ceska Lipa • M 25 QF Petak D WC 64 64 12 June R2 Vrba J Q 61 60 11 June R1 Kozlovsky M Q 63 61 10 June Prostejov • ATP CH 100 Q2 Martin A 10 62 64 1 June Q1 Bekeni M WC 63 36 63 31 May Chisinau • ATP CH 100 R1 Broady L 63 60 26 May Q2 Kielan S Alt 64 ab 25 May Q1 Cazac I WC 60 60 24 May Istanbul • ATP CH 75 R1 Barton H 7 36 62 62 19 May Q2 Kravchenko G 12 46 61 75 18 May Q1 Klok D 75 61 17 May Santos • ATP CH 50 R1 Mena F 4 75 62 5 May Savannah • ATP CH 75 Q1 Mayo A PR 26 64 62 19 April Tallahassee • ATP CH 75 R1 Krueger M 26 63 64 15 April Q2 Johns G 7 76⁴ 26 76⁵ 13 April Q1 Mayo A 62 61 12 April Sarasota • ATP CH 75 QF WuYibing 1 64 76⁴ 11 April R2 Johns G Q 64 63 9 April R1 Tabur C 7 75 76⁴ 8 April Sao Leopoldo • ATP CH 75 R1 Prado Angelo J 3 64 76⁶ 1 April Sao Paulo • ATP CH 100 R1 Prado Angelo J 8 36 63 62 23 March Santiago • ATP CH 75 R1 Reis Da Silva J 8 36 64 75 9 March Brasilia • ATP CH 75 R1 Monteiro T 64 64 4 March Tigre • ATP CH 50 R2 Cadenasso G 46 61 75 25 February R1 Collarini A 8 64 63 24 February Tigre • ATP CH 50 R1 Bueno G 2 75 16 61 17 February Dallas • ATP 500 Q1 Pinnington Jones J 5 63 61 7 February Conception • ATP CH 100 R2 Tseng C 3 75 64 29 January R1 Dellien Velasco M 63 61 28 January Q2 Roncadelli F 7 61 36 64 27 January Q1 Ribeiro E 63 36 76⁵ 27 January Itajai • ATP CH 75 R1 La Serna J Q 60 75 20 January Buenos Aires • ATP CH 50 R2 Sanchez Izquierdo N 62 31 ab 14 January R1 Kicker N 6 63 64 13 January