Saint-Tropez • ATP CH 125 R1 Guerrieri A 63 67⁴ 63 21 September Rennes • ATP CH 100 QF Gueymard Wayenburg S 60 63 18 September R2 Ghazouani Durand Y Q 46 76³ 63 17 September R1 Nagel A WC 64 76³ 16 September Istanbul • ATP CH 75 QF Kasnikowski M 6 60 26 61 11 September R2 Ayeni A Alt 67² 61 64 9 September R1 Ficovich J 62 62 8 September US Open • Grand Slam Q1 Samuel T 7 67² 63 61 24 August Quebec City • ATP CH 125 R1 Popyrin A 64 76⁴ 19 August Cincinnati • ATP Masters 1000 Q1 Bu Y 21 76⁶ 64 12 August San Marino • ATP CH 125 R2 Varillas J Q 76⁵ 46 63 30 July R1 Neumayer L 64 60 28 July Brașov • ATP CH 75 R1 Milic O NG 63 67⁸ 63 30 June Wimbledon • Grand Slam Q1 Basing M WC 46 76² 64 22 June Dublin • ATP CH 75 R1 Galarneau A 76⁶ 75 15 June Ilkley • ATP CH 125 R1 Géa A 76⁴ 36 61 9 June Chișinău • ATP CH 100 R1 Coppejans K 67⁴ 62 64 26 May French Open • Grand Slam Q2 Carballes Baena R 26 63 63 20 May Q1 Noguchi R 36 76⁴ 62 19 May Rome • ATP Masters 1000 R1 Bautista Agut R 63 76² 7 May Mauthausen • ATP CH 100 R1 Damas M LL 76² 64 28 April Madrid • ATP Masters 1000 Q1 Budkov Kjaer N 64 64 20 April Barcelona • ATP 500 Q1 Mérida Aguilar D 11 75 64 11 April Monte Carlo • ATP Masters 1000 Q1 Blockx A 12 76³ 62 4 April Bucharest • ATP 250 R1 Van de Zandschulp B 8 63 62 31 March Miami • ATP Masters 1000 Q1 Cassone M Alt 76¹ 64 18 March Cap Cana • ATP CH 175 R1 Bellucci M 61 61 11 March Indian Wells • ATP Masters 1000 R1 Hijikata R Q 76⁵ 64 6 March Q2 Tirante T 3 76⁵ 64 3 March Q1 Jarry N 64 46 76⁷ 2 March Tenerife • ATP CH 75 R2 Gentzsch T SE 64 64 12 February R1 Callejon Hernando S Q 46 62 64 10 February Tenerife • ATP CH 75 F Mérida Aguilar D 2 62 64 8 February SF Martin Tiffon P WC 64 63 7 February QF Loffhagen G 5 64 64 6 February R2 Shelbayh A 63 61 4 February R1 Erhard M 63 76⁴ 3 February Australian Open • Grand Slam R2 Djokovic N 4 63 62 62 22 January R1 Atmane T 64 36 67⁴ 61 61 19 January Q3 Lajovic D 13 46 64 63 15 January Q2 Seyboth Wild T 76² 64 14 January Q1 Giustino L 76⁴ 61 13 January Hong Kong • ATP 250 Q1 Zhou Y WC 60 63 4 January