| ATP Antwerp | 10/15 11:05 | 25 | [77] Delbonis, Federico v Copil, Marius [92] | 4-6,6-7 | |
| Santo Domingo, Dominican Republic, Qualifying | 10/11 00:40 | 26 | [76] Delbonis, Federico v Varillas, Juan Pablo [238] | 6-3,3-6,4-6 | |
| Santo Domingo, Dominican Republic, Qualifying | 10/09 22:10 | 25 | [76] Delbonis, Federico v Moroni, Gian Marco [268] | 3-6,7-6,7-5 | |
| Challenger Buenos Aires | 09/24 21:00 | 25 | [75] Delbonis, Federico v Velotti, Agustin [423] | 4-6,3-6 | |
| US Open | 08/27 15:00 | 23 | [105] Popyrin, Alexei v Delbonis, Federico [67] | 6-1,7-5,7-6 | |
| ATP Cincinnati | 08/14 15:00 | 25 | [56] Gasquet, Richard v Delbonis, Federico [66] | 7-5,7-6 | |
| ATP Cincinnati | 08/11 14:00 | 46 | [56] Ruud, Casper v Delbonis, Federico [63] | 6-7,7-5,6-3 | |
| ATP Cincinnati | 08/10 14:00 | 45 | Mcnally, John v Delbonis, Federico | 6-3,0-6,2-6 | |
| ATP Kitzbuhel | 07/29 09:00 | 25 | [63] Delbonis, Federico v Sonego, Lorenzo [56] | 6-7,7-6,6-7 | |
| ATP Hamburg | 07/25 14:10 | 26 | [67] Delbonis, Federico v Zverev, Alexander [5] | 4-6,6-7 | |
| ATP Hamburg | 07/23 15:00 | 25 | [63] Cecchinato, Marco v Delbonis, Federico [67] | 7-6,6-7,2-6 | |
| ATP Bastad | 07/20 11:00 | 28 | [64] Jarry, Nicolas v Delbonis, Federico [70] | 6-3,6-2 | |
| ATP Bastad | 07/19 10:30 | 27 | [70] Delbonis, Federico v Sousa, Joao [56] | 6-2,7-5 | |
| ATP Bastad | 07/18 09:00 | 26 | [46] Cuevas, Pablo v Delbonis, Federico [70] | 4-6,4-6 | |
| ATP Bastad | 07/16 14:00 | 25 | [70] Delbonis, Federico v Zapata Miralles, Bernabe [232] | 7-5,3-6,6-2 | |
| Challenger Perugia | 07/14 19:00 | 29 | [75] Delbonis, Federico v Garcia-Lopez, Guillermo [164] | 6-0,1-6,7-6 | |
| Challenger Perugia | 07/13 17:00 | 28 | [75] Delbonis, Federico v Galan, Daniel Elahi [194] | 6-4,6-2 | |
| Challenger Perugia | 07/12 13:30 | 27 | [75] Delbonis, Federico v Gaio, Federico [174] | 6-3,6-4 | |
| Challenger Perugia | 07/11 13:00 | 26 | [75] Delbonis, Federico v Gomez, Emilio [184] | 6-3,6-3 | |
| Challenger Perugia | 07/10 17:25 | 25 | [75] Delbonis, Federico v Zeppieri, Giulio [401] | 1-6,6-3,6-3 | |
| Wimbledon | 07/02 10:00 | 23 | [75] Delbonis, Federico v Evans, Daniel [61] | 3-6,6-7,3-6 | |
| ATP Antalya | 06/24 11:55 | 25 | [76] Delbonis, Federico v Humbert, Ugo [64] | 3-6,5-7 | |
| French Open | 05/30 16:10 | 24 | [12] Fognini, Fabio v Delbonis, Federico [75] | 6-4,3-6,6-3,6-3 | |
| French Open | 05/28 09:00 | 23 | [136] Garcia-Lopez, Guillermo v Delbonis, Federico [75] | 1-6,6-3,3-6,2-6 | |
| ATP Geneva | 05/24 14:25 | 28 | [5] Zverev, Alexander v Delbonis, Federico [84] | 7-5,6-7,6-3 | |
| ATP Geneva | 05/23 18:40 | 27 | [84] Delbonis, Federico v Ramos-Vinolas, Albert [91] | 7-6,7-5 | |
| ATP Geneva | 05/22 10:00 | 26 | [38] Fucsovics, Marton v Delbonis, Federico [84] | 4-6,2-6 | |
| ATP Geneva | 05/21 12:35 | 25 | [47] Dimitrov, Grigor v Delbonis, Federico [84] | 6-1,4-6,2-6 | |
| ATP Barcelona | 04/23 10:00 | 24 | [276] Nicola Kuhn v Delbonis, Federico [76] | 7-6,4-6,6-2 | |
| ATP Barcelona | 04/21 10:15 | 64 | [74] Delbonis, Federico v Garcia-Lopez, Guillermo [117] | 6-3,6-0 |