| Challenger Bergamo | 02/19 09:00 | 24 | [257] Nino Serdarusic v Raul Brancaccio [407] | 3-6,6-4,4-6 | |
| Challenger Budapest | 02/04 17:45 | 24 | [259] Nino Serdarusic v Viktor Durasovic [373] | 2-6,2-6 | |
| Challenger Punta Del Este | 01/24 16:00 | 26 | [152] Facundo Bagnis v Nino Serdarusic [259] | 6-0,6-2 | |
| Challenger Punta Del Este | 01/23 14:00 | 25 | Gonzalo Villanueva v Nino Serdarusic | 6-7,6-4,4-6 | |
| Challenger Koblenz | 01/15 19:00 | 24 | [259] Nino Serdarusic v Benjamin Hassan [366] | 4-6,2-6 | |
| Challenger Columbus | 01/09 16:00 | 25 | [288] Scott Griekspoor v Nino Serdarusic [260] | 3-6,6-3,6-4 | |
| Challenger Orlando | 01/04 19:05 | 27 | [263] Gastao Elias v Nino Serdarusic [264] | 6-3,6-3 | |
| Challenger Orlando | 01/03 19:20 | 26 | [264] Nino Serdarusic v Stefan Kozlov [316] | 6-2,7-5 | |
| Challenger Orlando | 01/02 21:05 | 25 | [264] Nino Serdarusic v Scott Griekspoor [294] | 7-6,6-1 | |
| Challenger Knoxville | 11/06 16:40 | - | [210] Nino Serdarusic v Nikola Milojevic [172] | 2-6,4-6 | |
| Challenger Charlottesville | 10/31 18:30 | 26 | [214] Nino Serdarusic v Bjorn Fratangelo [135] | 6-3,4-6,2-6 | |
| Challenger Charlottesville | 10/30 19:00 | 25 | [214] Nino Serdarusic v Marcelo Arevalo [180] | 6-4,6-2 | |
| Challenger Las Vegas | 10/23 18:00 | 25 | [201] Nino Serdarusic v Mathias Bourgue [294] | 6-7,4-6 | |
| Challenger Calgary | 10/16 18:05 | 25 | [234] Cem Ilkel v Nino Serdarusic [202] | 7-5,7-5 | |
| Challenger Santo Domingo | 10/11 18:10 | 27 | [220] Nino Serdarusic v Christian Garin [121] | 2-6,2-6 | |
| Challenger Santo Domingo | 10/11 14:00 | 26 | [98] Guido Andreozzi v Nino Serdarusic [220] | 6-7,4-6 | |
| Challenger Santo Domingo | 10/08 21:00 | 25 | [220] Nino Serdarusic v Thomaz Bellucci [255] | 7-6,6-4 | |
| Challenger Monterrey | 10/03 20:00 | - | [152] Gerald Melzer v Nino Serdarusic [223] | 7-6,4-6,6-3 | |
| Challenger Monterrey | 10/02 02:40 | - | [223] Nino Serdarusic v Victor Estrella Burgos [302] | 6-3,6-1 | |
| Challenger Sibiu | 09/20 12:05 | - | [228] Nino Serdarusic v Lukas Rosol [184] | Retired | |
| Challenger Sibiu | 09/18 12:10 | 25 | [284] Matteo Viola v Nino Serdarusic [228] | 2-6,7-6,1-6 | |
| Challenger Como | 08/28 09:00 | - | Nino Serdarusic v Juan Ignacio Londero | Cancelled | |
| US Open | 08/21 21:40 | - | [201] Nino Serdarusic v Sebastian Ofner [206] | 6-3,6-7,2-6 | |
| Challenger Cordenons | 08/15 10:00 | - | [389] Markus Eriksson v Nino Serdarusic [195] | 6-3,6-1 | |
| Challenger Portoroz | 08/08 14:00 | 26 | [224] Constant Lestienne v Nino Serdarusic [192] | 6-4,6-2 | |
| Challenger Portoroz | 08/07 09:30 | - | [257] Vaclav Safranek v Nino Serdarusic [192] | 6-7,2-6 | |
| Challenger Liberec | 07/30 12:00 | 25 | [427] Jan Satral v Nino Serdarusic [193] | 6-3,6-2 | |
| ATP Umag | 07/17 15:30 | - | [49] Maximilian Marterer v Nino Serdarusic [193] | 3-6,7-5,6-3 | |
| ATP Umag | 07/17 08:00 | - | Albert Ramos-Vinolas v Nino Serdarusic | Cancelled | |
| Challenger Perugia | 07/10 15:00 | - | [187] Kenny de Schepper v Nino Serdarusic [193] | 6-4,6-4 |