| ATP Bucharest | 04/21 12:00 | 29 | [52] Mariano Navone v Marton Fucsovics [82] | 4-6,5-7 | |
| ATP Bucharest | 04/20 13:00 | 28 | [52] Mariano Navone v Gregoire Barrere [128] | 6-3,6-4 | |
| ATP Bucharest | 04/20 09:00 | 27 | [21] Francisco Cerundolo v Mariano Navone [52] | 7-5,4-6,5-7 | |
| ATP Bucharest | 04/19 07:00 | 26 | [67] Thiago Seyboth Wild v Mariano Navone [52] | 3-6,6-2,5-7 | |
| ATP Bucharest | 04/15 11:35 | 25 | [64] Luciano Darderi v Mariano Navone [52] | 2-6,3-6 | |
| ATP Marrakech | 04/06 13:55 | 28 | [135] Matteo Berrettini v Mariano Navone [60] | 6-7,6-3,6-2 | |
| ATP Marrakech | 04/05 17:25 | 27 | [60] Mariano Navone v Aleksandar Vukic [67] | 6-2,6-4 | |
| ATP Marrakech | 04/04 15:30 | 26 | [60] Mariano Navone v Stan Wawrinka [82] | 3-6,7-5,6-2 | |
| ATP Marrakech | 04/01 17:05 | 25 | [60] Mariano Navone v Aziz Dougaz [235] | 6-3,6-2 | |
| ATP Santiago | 02/27 17:00 | 25 | Mariano Navone v Juan Pablo Varillas | Cancelled | |
| ATP Rio De Janeiro | 02/25 20:30 | 29 | [30] Sebastian Baez v Mariano Navone [117] | 6-2,6-1 | |
| ATP Rio De Janeiro | 02/24 21:45 | 28 | [117] Mariano Navone v Cameron Norrie [20] | 6-4,6-2 | |
| ATP Rio De Janeiro | 02/24 00:25 | 27 | [484] Joao Fonseca v Mariano Navone [117] | 6-2,3-6,3-6 | |
| ATP Rio De Janeiro | 02/22 22:10 | 26 | [117] Mariano Navone v Yannick Hanfmann [56] | 6-1,6-2 | |
| ATP Rio De Janeiro | 02/21 01:15 | 25 | [106] Federico Coria v Mariano Navone [117] | 6-1,4-6,2-6 | |
| ATP Rio De Janeiro | 02/18 19:00 | 19 | [117] Mariano Navone v Genaro Alberto Olivieri [175] | 6-1,7-6 | |
| ATP Rio De Janeiro | 02/17 19:00 | 14 | [117] Mariano Navone v Mateus Alves [389] | 6-4,6-3 | |
| ATP Buenos Aires | 02/13 20:40 | 25 | [76] Luciano Darderi v Mariano Navone [117] | 6-2,6-1 | |
| ATP Buenos Aires | 02/11 18:25 | 19 | [153] Felipe Meligeni Rodrigues Alves v Mariano Navone [118] | 6-4,1-6,4-6 | |
| ATP Buenos Aires | 02/10 16:55 | 14 | [146] Corentin Moutet v Mariano Navone [118] | 7-5,2-6,2-6 | |
| ATP Cordoba | 02/06 20:00 | 25 | [118] Mariano Navone v Roberto Carballes Baena [65] | 6-3,3-6,3-6 | |
| Challenger Punta del Este | 01/23 18:35 | 25 | [139] Camilo Ugo Carabelli v Mariano Navone [125] | 6-4,7-6 | |
| Challenger Buenos Aires | 01/21 16:00 | 29 | [125] Mariano Navone v Facundo Bagnis [241] | 5-7,6-1,5-7 | |
| Challenger Buenos Aires | 01/20 15:55 | 28 | [125] Mariano Navone v Edoardo Lavagno [238] | 6-0,6-4 | |
| Challenger Buenos Aires | 01/19 15:55 | 27 | [125] Mariano Navone v Murkel Dellien [307] | 6-2,6-1 | |
| Challenger Buenos Aires | 01/18 16:00 | 26 | [125] Mariano Navone v Damien Wenger [406] | 6-3,6-3 | |
| Challenger Buenos Aires | 01/17 18:35 | 25 | [125] Mariano Navone v Gonzalo Bueno [322] | 6-3,6-2 | |
| Australian Open | 01/09 06:20 | 14 | [178] Dino Prizmic v Mariano Navone [126] | 5-7,6-3,6-2 | |
| Challenger Montevideo | 11/14 16:20 | 25 | Mariano Navone v Orlando Luz | Cancelled | |
| Challenger Lima | 11/12 19:00 | 29 | [137] Luciano Darderi v Mariano Navone [126] | 4-6,6-3,7-5 |