Cincinnati • ATP Masters 1000 R1 Sonego L 63 63 14 August National Bank Open • ATP Masters 1000 R3 Darderi L 19 46 61 64 6 August R2 Rublev A 10 75 46 76⁵ 5 August R1 Vallejo D 63 63 2 August Washington • ATP 500 R1 Nishikori K WC 67³ 63 64 28 July Dubai • ATP 500 R1 Medvedev D 3 61 63 24 February Doha • ATP 500 R1 Medvedev D 4 64 62 16 February Australian Open • Grand Slam R2 Van de Zandschulp B 76⁶ 62 63 22 January R1 Bautista Agut R 64 67² 64 60 19 January Hong Kong • ATP 250 MH Bublik A 2 61 76² 9 January R2 Sonego L 5 63 64 8 January R1 Comesana F 64 64 6 January