Beijing • ATP 500 Q1 Molcan A 76³ 26 76⁸ 28 September Chengdu • ATP 250 R2 Shapovalov D 7 62 63 25 September R1 Hu J WC 64 75 23 September US Open • Grand Slam R1 Etcheverry T 27 63 64 60 31 August Cancun • ATP CH 125 QF Harris L Q 75 64 22 August R2 Onclin G Q 64 64 21 August Cincinnati • ATP Masters 1000 R1 Halys Q Q 76⁵ 64 14 August National Bank Open • ATP Masters 1000 R2 Lehečka J 8 64 62 5 August R1 Galarneau A WC 64 64 4 August Tampere • ATP 250 R1 Buse I 5 75 67³ 61 20 July Amersfoort • ATP 250 R1 Prizmic D 61 63 13 July Wimbledon • Grand Slam R1 Choinski J 63 75 62 30 June Mallorca • ATP 250 QF Quinn E 57 75 63 25 June R2 Buse I 5 75 61 24 June R1 Dzumhur D Q 63 64 23 June Halle • ATP 500 R1 Zverev A 1 63 46 62 16 June Prostejov • ATP CH 100 R2 Sachko V 61 46 76⁴ 4 June R1 Martin A Q 60 64 2 June Roland Garros • Grand Slam R2 Landaluce M 16 26 64 75 60 28 May R1 Moutet C 30 63 57 64 36 63 26 May Hamburg • ATP 500 R1 Auger-Aliassime F 1 75 61 19 May Dallas • ATP Masters 1000 R2 Humbert U 31 63 62 8 May R1 Marozsan F 63 63 6 May Madrid • ATP Masters 1000 R4 Jódar R WC 75 60 28 April R3 Rinderknech A 22 64 36 26 April R2 Rublev A 9 63 64 24 April R1 Zhang Z PR 62 60 22 April München • ATP 500 QF Cobolli F 4 63 62 17 April R2 Darderi L 6 26 64 61 15 April R1 Engel J WC 63 57 62 14 April Monte-Carlo • ATP Masters 1000 Q1 Arnaldi M 26 63 62 4 April Marrakech • ATP 250 R2 Muller A 63 76³ 2 April R1 Medjedovic H 67⁴ 75 62 1 April Naples • ATP CH 125 R1 Forti F Q 63 64 24 March Indian Wells • ATP Masters 1000 R2 Bublik A 10 36 76³ 62 8 March R1 Zheng M WC 76¹ 75 6 March Q2 Svrcina D 19 76⁴ 64 4 March Q1 Sakamoto R 64 76⁶ 3 March Santiago • ATP 250 R1 Navone M 36 60 31 ab 24 February Rio de Janeiro • ATP 500 SF Etcheverry T 8 46 76² 76⁴ 22 February QF Cerundolo J 64 64 20 February R2 Burruchaga R 63 61 18 February R1 Heide G WC 62 76⁵ 17 February Buenos Aires • ATP 250 QF Cerundolo F 1 64 63 13 February R2 Berrettini M 8 64 63 11 February R1 Barrena A WC 64 36 64 10 February Australian Open • Grand Slam R2 Fritz T 9 61 64 76⁴ 22 January R1 Struff J 46 62 26 63 61 20 January Auckland • ATP 250 Q2 Gaston H Alt 62 64 11 January Q1 Carreno Busta P 63 16 64 10 January Canberra • ATP CH 125 QF Blockx A 6 75 57 64 8 January R2 Klein L 76¹ 76¹ 7 January R1 Nishikori K 61 22 ab 6 January