Kitzbuhel • ATP 250 R1 Struff J 6 36 76⁵ 64 21 July Gstaad • ATP 250 SF Tsitsipas S 64 36 63 18 July MH Halys Q 76⁵ 63 17 July R2 Stricker D WC 76⁵ 62 17 July R1 Muller A 36 63 64 14 July Wimbledon • Grand Slam R1 Auger-Aliassime F 3 63 61 64 29 June Mallorca • ATP 250 Q1 Shelbayh A 64 63 20 June Bratislava • ATP CH 100 F Daniel T Q 36 60 76² 14 June SF Sachko V 64 63 13 June MH Mrva M NG 76⁹ 60 12 June R2 Barton H Q 46 63 75 11 June R1 Jianu F 64 30 ab 9 June Prostejov • ATP CH 100 R2 Sanchez Izquierdo N 76⁸ 61 3 June R1 Brancaccio R 76⁵ 46 61 1 June French Open • Grand Slam R1 Michelsen A 62 64 62 25 May Bordeaux • ATP CH 175 R2 Collignon R 8 76⁵ 40 ab 14 May R1 Gaston H Alt 61 36 61 12 May Rome • ATP Masters 1000 R2 Khachanov K 13 64 64 8 May R1 Ugo Carabelli C 63 46 76⁵ 6 May Aix en Provence • ATP CH 175 R2 Wu Y 76⁸ 75 30 April R1 Added D Alt 62 62 28 April Madrid • ATP Masters 1000 R1 Munar J 64 61 23 April Munich • ATP 500 Q1 Dedura D WC 63 76⁵ 11 April Monte-Carlo • ATP Masters 1000 R1 Cilic M 61 63 7 April Triwulan 2 Bautista Agut R 8 76³ 76⁴ 5 April Q1 Pellegrino A Alt 60 ab 4 April Bucharest • ATP 250 R2 Van de Zandschulp B 8 75 61 1 April R1 Turcanu R WC 62 64 31 March Miami • ATP Masters 1000 R3 Humbert U 31 64 76² 23 March R2 Shelton B 8 67³ 76³ 63 22 March R1 Arnaldi M 76⁰ 67⁰ 62 21 March Phoenix • ATP CH 175 R1 Quinn E 8 67⁴ 64 62 12 March Indian Wells • ATP Masters 1000 R2 Ruud C 13 61 76⁴ 7 March R1 Shimabukuro S Q 64 36 62 5 March Dubai • ATP 500 R1 Khachanov K 7 67⁵ 62 63 24 February Triwulan 2 Halys Q 3 76⁶ 75 22 February Q1 Basilashvili N WC 76¹ 64 21 February Pau • ATP CH 125 MH Squire H Q 67⁵ 76⁶ 76⁴ 14 February R2 Glinka D 63 67⁷ 61 12 February R1 Chidekh C 64 76⁶ 11 February Quimper • ATP CH 125 R1 Van Assche L 64 64 27 January Australian Open • Grand Slam R2 Tien L 25 62 57 61 60 21 January R1 Ymer E Q 36 75 64 61 19 January Adelaide • ATP 250 MH Humbert U 60 63 15 January R2 Fucsovics M 63 76⁶ 14 January R1 Dzumhur D 46 64 75 13 January Triwulan 2 Misolic F 4 75 63 12 January Q1 Taberner C 8 63 62 11 January Brisbane • ATP 250 Q1 Collignon R 9 75 64 3 January