Kramsach • M 25 R1 Plunger M 46 64 64 14 July Kassel • M 25+H QF Oetzbach A 26 76⁵ 63 10 July R2 Fix D Q 63 62 9 July R1 Mueller C 57 61 62 8 July Marburg • M 25 F Wiskandt M 6 61 64 5 July SF Hopp M 63 75 4 July QF Purtseladze S 76¹ 76⁶ 3 July R2 Rossi L 75 61 2 July R1 Krutykh O 46 63 64 1 July Poznan • ATP CH 100 Q2 Broska F 6 16 75 62 15 June Q1 Hassan B 9 63 46 62 15 June Ceska Lipa • M 25 R2 Petak D WC 16 63 63 11 June R1 Handel T 64 61 9 June Prostejov • ATP CH 100 Q1 Caniato C 3 76⁶ 64 31 May Louny • M 25 QF Jianu F 1 75 62 15 May R2 Barsukov N Q 63 62 14 May R1 Zielinski M 62 61 13 May Ostrava • ATP CH 75 R1 Molleker R Q 76⁴ 60 28 April Q2 Boitan G 3 76⁷ 10 ab 27 April Q1 Postolka R Alt 76⁴ 75 26 April Sharm El Sheikh • M 25 F Shebekin G 60 63 12 April SF Krajci M 63 64 11 April QF Pankin S 8 26 63 62 10 April R2 Ianin N Q 76⁵ 67² 64 9 April R1 Bessonov D WC 36 64 60 8 April Heraklion • M 25 R2 Hussey G 3 64 26 75 19 March R1 Sakellaridis D 61 76⁸ 17 March Hersonissos • ATP CH 50 Q1 Loge J 7 63 60 8 March