| ATP Geneva | 05/22 10:00 | 26 | Radu Albot v Juan Ignacio Londero | View | |
| ATP Geneva | 05/19 15:45 | 25 | [101] Mischa Zverev v Juan Ignacio Londero [73] | 4-6,4-6 | |
| ATP Madrid | 05/05 12:30 | 46 | [80] Juan Ignacio Londero v Reilly Opelka [59] | 6-7,7-5,2-6 | |
| ATP Madrid | 05/04 13:45 | 45 | [57] Mackenzie McDonald v Juan Ignacio Londero [80] | 1-6,2-6 | |
| ATP Munich | 05/01 11:30 | 26 | [3] Alexander Zverev v Juan Ignacio Londero [80] | 7-5,6-1 | |
| ATP Munich | 04/30 09:00 | 25 | [100] Maximilian Marterer v Juan Ignacio Londero [80] | 2-6,6-4,2-6 | |
| ATP Barcelona | 04/22 15:50 | 24 | [79] Juan Ignacio Londero v Benoit Paire [46] | 5-7,2-6 | |
| ATP Monte Carlo | 04/16 09:00 | 24 | [33] Felix Auger Aliassime v Juan Ignacio Londero [79] | 7-5,7-6 | |
| ATP Monte Carlo | 04/14 10:50 | 46 | [66] Juan Ignacio Londero v Thomas Fabbiano [94] | 6-4,6-1 | |
| ATP Monte Carlo | 04/13 13:05 | 45 | [66] Juan Ignacio Londero v Romain Arneodo [88] | 6-0,6-4 | |
| ATP Marrakech | 04/11 10:00 | 26 | [66] Juan Ignacio Londero v Jiri Vesely [101] | 3-6,4-6 | |
| ATP Marrakech | 04/09 11:00 | 25 | [66] Juan Ignacio Londero v Carlos Berlocq [177] | 6-2,6-4 | |
| ATP Miami | 03/18 14:00 | 44 | [66] Juan Ignacio Londero v Lukas Lacko [130] | 4-6,1-6 | |
| ATP Indian Wells | 03/06 04:40 | 44 | [64] Juan Ignacio Londero v Christian Harrison [258] | 3-6,6-7 | |
| ATP Sao Paulo | 02/28 15:30 | 26 | [95] Hugo Dellien v Juan Ignacio Londero [66] | 6-4,7-6 | |
| ATP Sao Paulo | 02/26 16:00 | 25 | [106] Paolo Lorenzi v Juan Ignacio Londero [66] | 6-7,1-6 | |
| ATP Rio De Janeiro | 02/21 22:10 | 26 | [69] Juan Ignacio Londero v Pablo Cuevas [63] | 1-6,4-6 | |
| ATP Rio De Janeiro | 02/19 22:45 | 25 | [117] Elias Ymer v Juan Ignacio Londero [69] | 6-2,5-7,2-6 | |
| ATP Rio De Janeiro | 02/17 19:00 | 164 | [69] Juan Ignacio Londero v Rogerio Dutra Silva [138] | 7-6,6-2 | |
| ATP Rio De Janeiro | 02/16 18:00 | 64 | [69] Juan Ignacio Londero v Alessandro Giannessi [170] | 7-6,6-1 | |
| ATP Buenos Aires | 02/12 22:05 | 25 | [69] Juan Ignacio Londero v Joao Sousa [41] | 3-6,4-6 | |
| ATP Cordoba | 02/10 22:05 | 29 | [59] Guido Pella v Juan Ignacio Londero [112] | 6-3,5-7,1-6 | |
| ATP Cordoba | 02/09 22:00 | 28 | [112] Juan Ignacio Londero v Federico Delbonis [77] | 6-1,6-0 | |
| ATP Cordoba | 02/08 20:55 | 27 | [112] Juan Ignacio Londero v Pedro Cachin [280] | 6-4,7-6 | |
| ATP Cordoba | 02/06 14:00 | 26 | [112] Juan Ignacio Londero v Lorenzo Sonego [113] | 7-5,6-3 | |
| ATP Cordoba | 02/05 18:30 | 25 | [41] Nicolas Jarry v Juan Ignacio Londero [112] | 2-6,6-7 | |
| Challenger Punta Del Este | 01/26 01:05 | 27 | [228] Facundo Arguello v Juan Ignacio Londero [114] | 7-6,3-6,6-1 | |
| Challenger Punta Del Este | 01/24 22:35 | 26 | [262] Tomas L. Puches v Juan Ignacio Londero [114] | 3-6,1-6 | |
| Challenger Punta Del Este | 01/22 17:10 | 25 | [341] Carlos Boluda-Purkiss v Juan Ignacio Londero [114] | 0-6,6-7 | |
| Australian Open | 01/09 23:00 | 45 | [117] Juan Ignacio Londero v Oscar Otte [169] | 2-6,2-6 |