Istanbul • ATP CH 75 MH Mayot H 64 62 11 September R2 Ursu V 64 75 9 September R1 Zakaria F Q 61 63 8 September Porto • ATP CH 75 R2 Damas M 75 36 76³ 3 September R1 Ayeni A LL 62 16 63 1 September Triwulan 2 Janvier M 10 64 46 62 31 August Q1 Freitas J WC 60 61 30 August Maribor • M 25 MH Dominko S 64 67⁵ 62 28 August R2 Cherie Ligniere E Q 46 64 61 27 August R1 Tripathi A Q 63 62 26 August Sion • ATP CH 50 MH Giustino L 1 63 57 61 20 August R2 Marti Pujolras A Q 61 36 61 19 August R1 Moeller M 5 63 64 18 August Samsun • ATP CH 50 R2 Inchauspe P CO 16 76⁴ 60 29 July R1 Binda A 75 64 27 July Tampere • ATP CH 75 R2 Virtanen O 2 64 62 23 July R1 Reis Da Silva J 61 62 21 July Triwulan 2 Janvier M 7 60 61 20 July Q1 Opitz J Alt 75 62 19 July Bunschoten • ATP CH 75 Triwulan 2 Nijboer R 9 76⁵ 63 13 July Q1 De Jonge D 46 64 63 12 July Braunschweig • ATP CH 125 R1 Choinski J 4 64 64 7 July Triwulan 2 Strombachs R 8 62 62 6 July Q1 Matos R Alt 63 64 5 July Brasov • ATP CH 75 MH Piros Z 2 62 63 3 July R2 Pavlovic L 6 46 62 76⁵ 2 July R1 Simakin I Q 36 64 62 30 June Triwulan 2 Makk P 11 46 63 60 29 June Q1 Sinha N 60 61 28 June Plovdiv • ATP CH 50 R1 Sels J Alt 63 64 23 June Samobor • M 25 SF Mashtakov N 62 61 20 June MH Kovalik J WC 57 61 76⁴ 19 June R2 Voljavec A WC 61 64 18 June R1 Kajin K WC 62 61 17 June Bratislava • ATP CH 100 R1 Tseng C 8 76⁸ 61 9 June Triwulan 2 Gadamauri B 2 36 64 62 8 June Q1 Ursu V Alt 46 62 61 8 June Chisinau • ATP CH 100 Q1 Kielan S Alt Forfait 24 May Istanbul • ATP CH 75 R2 Sanchez Izquierdo N 2 60 67⁴ 61 21 May R1 Rincon D 62 60 19 May Zagreb • ATP CH 75 Triwulan 2 Fatic N 1 75 60 11 May Q1 Yevseyev D 63 46 60 10 May Shymkent • ATP CH 50 R2 Gadamauri B 64 62 30 April R1 Blanch D 26 63 61 28 April Oeiras • ATP CH 125 Triwulan 2 Llamas Ruiz P 1 63 76² 13 April Q1 Butvilas E 10 61 16 64 12 April Bucharest • ATP 250 Triwulan 2 Sakellaridis S 63 76⁶ 31 March Q1 Travaglia S 5 76⁷ 61 30 March Split • ATP CH 50 R2 Nedic A 76¹⁰ 61 25 March R1 Fatic N 4 63 61 24 March Zadar • ATP CH 75 R1 Géa A 3 46 62 63 18 March Hersonissos • ATP CH 50 R1 Mrva M 62 64 10 March Hersonissos • ATP CH 50 SF Wendelken H 64 62 7 March MH Giustino L 1 61 61 6 March R2 Bertrand R 62 75 5 March R1 Barranco Cosano J Q 63 62 4 March New Delhi • ATP CH 75 R2 Noguchi R 8 64 63 19 February R1 Sekulic P PR 64 75 17 February Manama • ATP CH 125 R1 Budkov Kjaer N 57 61 75 28 January Triwulan 2 Fomin S 8 16 63 61 27 January Q1 Tsitsipas P WC 63 75 26 January Soma Bay • ATP CH 75 R1 Neumayer L 7 64 60 20 January Glasgow • ATP CH 50 R2 Broady L 76³ 67⁶ 62 14 January R1 Jubb P WC 62 63 12 January Nottingham • ATP CH 50 R1 Negritu C 64 16 75 6 January