C • ATP CH 35 R1 Crugnola M WC 26 44 ab 26 August Meerbusch • ATP CH 35 QF Hajek J 2 Forfait 16 August R2 Meffert D 61 31 ab 15 August R1 Reuter Y 62 75 13 August Oberstaufen • ATP CH 35 R1 Albot R 63 64 23 July Wimbledon • Grand Slam R1 Monaco J 22 64 62 63 24 June Q3 Cipolla F 24 62 75 36 26 63 19 June Q2 Zverev M 67² 63 63 19 June Q1 Cervenak P 64 75 19 June Furth • ATP CH 35 R2 Kirche L 75 20 ab 6 June R1 Ouanna J 8 60 ab 5 June French Open • Grand Slam Q1 Aguilar J 64 26 64 21 May Rome • ATP CH 35 R1 Ungur A 63 46 64 20 May Naples • ATP CH 35 R2 Guez D 64 75 2 May R1 Trusendi W LL 63 63 2 May Roma • ATP CH 35 R1 Greul S 62 64 16 April Mersin • ATP CH 50 SF Vesely J 36 62 61 13 April QF Linzer M Q 50 ab 12 April R2 Haider-Maurer A 1 62 64 11 April R1 Vagnozzi S 64 76⁴ 9 April Sarajevo • ATP CH 35 R1 Korolev E 64 64 11 March Bergame • ATP CH 50 QF Galovic V Q 46 63 21 ab 8 February R2 Chiudinelli M 3 36 63 75 6 February R1 Martin A 62 76¹⁰ 5 February Heilbronn • ATP CH 100 R1 Hajek J 7 76³ 64 22 January Australian Open • Grand Slam Q1 Yang T 63 60 9 January