Saint-Marin • ATP CH 125 Q1 Prihodko O 5 64 61 13 July Milan • ATP CH 75 Q1 Fonio G 9 63 63 22 June Sassuolo • ATP CH 125 Q1 Nijboer R 75 ab 15 June Pérouse • ATP CH 125 Q1 Weis A 75 76¹⁰ 8 June Turin • ATP CH 175 Q1 Prihodko O 7 76³ 62 12 May Santos • ATP CH 50 QF Kicker N Q 64 76⁷ 9 May R2 Boscardin Dias P 76⁴ 76⁴ 8 May R1 Varillas J 2 63 62 7 May Porto Alegre • ATP CH 50 Q2 Huertas Del Pino C 12 64 10 ab 28 April Q1 Barreiros Reyes M 63 40 ab 27 April Rome • ATP CH 50 Q1 Ymer E 1 67⁵ 63 62 20 April Monza • ATP CH 100 Q1 Mirarchi W WC 26 41 ab 6 April Barletta • ATP CH 75 Q1 Vasami J WC 64 46 61 30 March Naples • ATP CH 125 Q1 Berrettini J 11 76⁵ 62 23 March Lugano • ATP CH 75 Q1 Prizmic D Alt 64 61 23 February Koblenz • ATP CH 100 R1 Vatutin A Alt 64 62 27 January Oeiras • ATP CH 100 R1 Araujo P WC 36 64 64 14 January Australian Open • Grand Slam Q1 Holt B 76⁶ 62 6 January Nonthaburi • ATP CH 75 QF Sakamoto R Q 41 ab 2 January R2 Droguet T 4 64 36 63 1 January