| Challenger - Santiago | 10/11 21:00 | 25 | [157] Londero, Juan Ignacio v Gonzalo Lama [327] | 6-2,3-6,6-1 | |
| Challenger - Santiago | 10/05 14:00 | 25 | [157] Londero, Juan Ignacio v Thiago Agustin Tirante [206] | 2-6,3-6 | |
| US Open, New York, USA | 08/25 15:00 | 14 | [280] Harrison, Christian v Londero, Juan Ignacio [153] | 6-4,6-2 | |
| Kitzbuhel, Austria | 07/24 09:00 | 26 | Londero, Juan Ignacio v Lukas Neumayer | Retired | |
| Gstaad, Switzerland | 07/20 15:05 | 25 | [105] Tallon Griekspoor v Londero, Juan Ignacio [140] | 7-5,4-6,7-6 | |
| Challenger Salzburg | 07/10 11:50 | 28 | [87] Federico Coria v Londero, Juan Ignacio [129] | 6-1,6-4 | |
| Challenger Salzburg | 07/09 16:00 | 27 | [129] Londero, Juan Ignacio v Cuevas, Pablo [84] | 6-3,6-0 | |
| Challenger Salzburg | 07/08 09:00 | 26 | [129] Londero, Juan Ignacio v Alexey Vatutin [317] | 6-0,2-6,6-0 | |
| Challenger Salzburg | 07/06 10:55 | 25 | [103] Taro Daniel v Londero, Juan Ignacio [129] | 4-6,4-6 | |
| Wimbledon, London, Great Britain | 06/29 17:35 | 23 | [129] Londero, Juan Ignacio v Gianluca Mager [77] | 6-7,0-6,6-4,3-6 | |
| French Open, Paris, France | 05/30 13:05 | 23 | [100] Londero, Juan Ignacio v Cristian Garin [23] | 6-3,4-6,6-7,2-6 | |
| Challenger - Oeiras | 05/17 11:30 | 25 | [158] Mayer, Leonardo v Londero, Juan Ignacio [95] | 4-6,6-1,6-4 | |
| Rome, Italy | 05/08 10:05 | 14 | [58] Tommy Paul v Londero, Juan Ignacio [99] | 7-6,6-3 | |
| ATP - Madrid | 05/02 10:00 | 19 | [97] Londero, Juan Ignacio v Delbonis, Federico [79] | 4-6,4-6 | |
| ATP - Madrid | 05/01 12:15 | 14 | [49] Laslo Djere v Londero, Juan Ignacio [97] | 3-6,6-3,2-6 | |
| ATP - Estoril | 04/27 09:30 | 25 | [97] Londero, Juan Ignacio v Richard Gasquet [52] | 3-6,5-7 | |
| ATP - Estoril | 04/24 13:20 | 14 | Londero, Juan Ignacio v Carlos Taberner | Cancelled | |
| Belgrade, Serbia | 04/20 10:00 | 25 | [129] Arthur Rinderknech v Londero, Juan Ignacio [97] | 6-1,7-5 | |
| Belgrade, Serbia | 04/20 09:00 | 25 | Laslo Djere v Londero, Juan Ignacio | Cancelled | |
| ATP - Monte-Carlo | 04/14 11:00 | 25 | [37] Filip Krajinovic v Londero, Juan Ignacio [94] | 6-0,6-3 | |
| ATP - Monte-Carlo | 04/11 09:00 | 19 | [54] Dominik Koepfer v Londero, Juan Ignacio [94] | 6-1,6-3 | |
| ATP - Monte-Carlo | 04/10 10:20 | 14 | [280] Zverev, Mischa v Londero, Juan Ignacio [94] | 4-6,1-6 | |
| ATP Marbella | 04/05 14:35 | 25 | [99] Norbert Gombos v Londero, Juan Ignacio [94] | 6-7,6-1,6-3 | |
| ATP - Buenos Aires | 03/01 21:00 | 25 | [57] Andujar, Pablo v Londero, Juan Ignacio [90] | 6-3,6-0 | |
| ATP - Cordoba | 02/23 22:15 | 25 | [88] Londero, Juan Ignacio v Albert Ramos-Vinolas [47] | 6-4,2-6,2-6 | |
| Open d'Australie | 02/08 05:10 | 23 | [209] Alexandre Muller v Londero, Juan Ignacio [81] | 4-6,6-3,6-0,6-3 | |
| Open d'Australie | 02/08 05:00 | 23 | Delbonis, Federico v Londero, Juan Ignacio | Cancelled | |
| ATP Murray River Open | 02/02 02:50 | 24 | [81] Londero, Juan Ignacio v Mikhail Kukushkin [90] | 6-4,5-7,2-6 | |
| Parma II, Italy | 10/06 09:40 | 25 | [108] Alexei Popyrin v Londero, Juan Ignacio [69] | Retired | |
| French Open, Paris, France | 09/30 15:15 | 24 | [69] Londero, Juan Ignacio v Marco Cecchinato [110] | 3-6,2-6,7-5,2-6 |
Wikipedia - Juan Ignacio Londero
Juan Ignacio Londero, né le à Jesús María en Argentine, est un joueur de tennis argentin, professionnel depuis 2010.