| ITF - M15 Kish Island | 02/28 08:40 | 25 | Filip Cristian Jianu v Ali Yazdani | 6-1,6-2 | |
| ITF - M25 Hammamet | 02/23 08:00 | 26 | Filip Cristian Jianu v Peter Heller | 6-7,6-4,3-6 | |
| ITF - M25 Hammamet | 02/22 09:20 | 25 | Filip Cristian Jianu v Francesco Ferrari | 6-4,6-1 | |
| ITF - M25 Hammamet | 02/18 08:50 | 29 | [376] Filip C Jianu v Pol M Tiffon [418] | 3-6,3-6 | |
| ITF - M25 Hammamet | 02/17 09:00 | 28 | Oleksandr Ovcharenko v Filip C Jianu | 4-6,4-6 | |
| ITF - M25 Hammamet | 02/16 11:40 | 27 | Filip C Jianu v Alessandro Ingarao | 6-2,6-0 | |
| ITF - M25 Hammamet | 02/15 12:50 | 26 | Filip C Jianu v Peter Benjamin Privara | 6-2,5-7,6-3 | |
| ITF - M25 Hammamet | 02/13 11:35 | 25 | Filip C Jianu v Samir Hamza Reguig | 7-5,6-3 | |
| ITF - M25 Hammamet | 02/10 10:30 | 28 | Filip Cristian Jianu v Kamil Majchrzak | 5-7,4-6 | |
| ITF - M25 Hammamet | 02/09 11:50 | 27 | Daniel Bagnolini v Filip Cristian Jianu | 0-6,1-6 | |
| ITF - M25 Hammamet | 02/08 11:00 | 26 | Max Alcala Gurri v Filip Cristian Jianu | 6-0,2-6,4-6 | |
| ITF - M25 Hammamet | 02/07 08:30 | 25 | Omar Brigida v Filip Cristian Jianu | 1-6,1-6 | |
| ITF - M25 Hammamet | 01/31 08:30 | 25 | Filip C Jianu v Noah Perfetti | 1-6,4-6 | |
| ITF - M15 Antalya | 01/22 07:20 | 29 | Carlos Gimeno Valero v Filip Cristian Jianu | 6-3,6-4 | |
| ITF - M15 Antalya | 01/20 07:30 | 28 | [418] Filip Cristian Jianu v Cezar Cretu [364] | 6-2,7-6 | |
| ITF - M15 Antalya | 01/20 07:00 | 26 | Ilya Snitari v Filip Cristian Jianu | Cancelled | |
| ITF - M15 Antalya | 01/19 07:30 | 27 | Federico Arnaboldi v Filip Cristian Jianu | 7-5,2-6,6-7 | |
| ITF - M15 Antalya | 01/18 07:00 | 26 | Gabriel Donev v Filip Cristian Jianu | 2-6,4-6 | |
| ITF - M15 Antalya | 01/17 11:55 | 25 | Dinko Dinev v Filip Cristian Jianu | 0-6,4-6 | |
| ITF - M15 Antalya | 01/14 08:00 | 29 | Filip Cristian Jianu v Peter Heller | 7-6,6-4 | |
| ITF - M15 Antalya | 01/13 10:20 | 28 | Filip Cristian Jianu v Niccolo Catini | 6-4,6-2 | |
| ITF - M15 Antalya | 01/12 09:30 | 27 | Filip Cristian Jianu v Gokberk Saritas | 6-2,6-4 | |
| ITF - M15 Antalya | 01/12 07:00 | 26 | Filip Cristian Jianu v Maximilian Figl | 6-2,6-0 | |
| ITF - M15 Antalya | 01/11 09:30 | 25 | Filip Cristian Jianu v Lucas Bouquet | 6-1,6-3 | |
| ITF - M15 Antalya | 12/09 08:00 | 27 | Filip Cristian Jianu v Dmitry Popko | 4-6,5-7 | |
| ITF - M15 Antalya | 12/08 11:15 | 26 | Filip Cristian Jianu v Louroi Martinez | 6-0,3-6,10-8 | |
| ITF - M15 Antalya | 12/05 09:35 | 25 | Filip Cristian Jianu v Stefan Palosi | 6-2,7-5 | |
| Challenger - Maia | 11/28 15:20 | 25 | [257] Joao Sousa v Filip C Jianu [329] | 6-3,3-6,6-1 | |
| ITF - M25 Antalya | 11/15 09:10 | 25 | Calin Manda v Filip Cristian Jianu | Retired | |
| ITF - M15 Antalya | 11/12 07:30 | 29 | Gabriele Pennaforti v Filip Cristian Jianu | 3-6,2-6 |
Filip Cristian Jianu (n. 18 septembrie 2001) este un jucător român de tenis. Cea mai înaltă poziție în clasamentul ATP la simplu este locul 264 mondial (16 ianuarie 2023). Jianu reprezintă România în Cupa Davis.