[159] Old Dominion 6-3,7-6 Thiago Monteiro [95] 2021-11-09 12:30
Stadium: Cancha Central Round: 27 Ground: Clay
Head to Head
| Challenger Mexico City | 2018/04/12 23:35 | Juan Ignacio Londero v Thiago Monteiro | 6-4,6-1 |
| Challenger Santiago 2 | 2016/10/18 18:40 | Juan Ignacio Londero v Thiago Monteiro | 5-7,6-7 |
| Challenger Santiago 2 Qual | 2016/03/11 19:00 | Thiago Monteiro v Juan Ignacio Londero | 7-6,6-2 |
Home History
| Challenger Buenos Aires | 2021/10/21 22:45 | Sebastian Baez v Juan Ignacio Londero | 6-3,6-4 |
| Challenger Buenos Aires | 2021/10/19 14:00 | Carlos Gomez-Herrera v Juan Ignacio Londero | 3-6,4-6 |
| Challenger Santiago | 2021/10/14 14:00 | Juan Ignacio Londero v Felipe Meligeni Rodrigues Alves | 6-2,3-6,4-6 |
| Challenger Santiago | 2021/10/11 21:00 | Juan Ignacio Londero v Gonzalo Lama | 6-2,3-6,6-1 |
| Challenger Santiago | 2021/10/05 14:00 | Juan Ignacio Londero v Thiago Agustin Tirante | 2-6,3-6 |
| US Open | 2021/08/25 15:00 | Christian Harrison v Juan Ignacio Londero | 6-4,6-2 |
| ATP Gstaad | 2021/07/20 15:05 | Tallon Griekspoor v Juan Ignacio Londero | 7-5,4-6,7-6 |
| Challenger Salzburg | 2021/07/10 11:50 | Federico Coria v Juan Ignacio Londero | 6-1,6-4 |
Away History
| Challenger Buenos Aires | 2021/10/24 16:00 | Thiago Monteiro v Sebastian Baez | 4-6,0-6 |
| Challenger Buenos Aires | 2021/10/23 16:55 | Thiago Monteiro v Francisco Cerundolo | 6-1,2-6,6-3 |
| Challenger Buenos Aires | 2021/10/22 15:00 | Thiago Monteiro v Tomas Martin Etcheverry | 6-4,3-6,7-5 |
| Challenger Buenos Aires | 2021/10/20 20:20 | Thiago Monteiro v Nicolas Kicker | 6-2,6-3 |
| Challenger Buenos Aires | 2021/10/19 15:40 | Thiago Monteiro v Hernan Casanova | 7-6,3-6,6-2 |
| ATP Indian Wells | 2021/10/07 19:55 | Thiago Monteiro v Tennys Sandgren | 4-6,3-6 |
| Challenger Lisbon | 2021/09/29 16:50 | Thiago Monteiro v Andrea Pellegrino | 3-6,6-7 |
| Challenger Lisbon | 2021/09/28 09:00 | Thiago Monteiro v Alexandre Muller | 6-4,6-4 |