| ATP Bucharest | 04/15 08:00 | 19 | [132] Radu Albot v Filip Cristian Jianu [282] | 7-6,6-4 | |
| ATP Bucharest | 04/14 08:00 | 25 | [282] Filip Cristian Jianu v Titouan Droguet [151] | 6-4,7-6 | |
| Challenger Split | 04/07 13:30 | 14 | [293] Filip Cristian Jianu v Mili Poljicak [419] | 4-6,4-6 | |
| Challenger Split | 04/07 08:00 | 14 | Filip Cristian Jianu v Aldin Setkic | CANC | |
| Challenger Barletta | 04/05 11:00 | 27 | [453] Jacopo Berrettini v Filip Cristian Jianu [293] | 4-6,6-4,6-4 | |
| Challenger Barletta | 04/03 08:00 | 26 | [229] Zdenek Kolar v Filip Cristian Jianu [293] | 2-6,6-3,3-6 | |
| Challenger Barletta | 04/02 08:00 | 25 | [293] Filip Cristian Jianu v Stefano Travaglia [195] | 3-6,6-3,6-0 | |
| ITF M15 Antalya | 03/24 07:30 | 29 | Filip Cristian Jianu v Joel Schwaerzler | 6-1,6-2 | |
| ITF M15 Antalya | 03/23 09:30 | 28 | Filip Cristian Jianu v Mariano Tammaro | 6-1,6-2 | |
| ITF M15 Antalya | 03/22 10:15 | 27 | [311] Filip Cristian Jianu v Bogdan Pavel [361] | 4-6,6-1,6-2 | |
| ITF M15 Antalya | 03/21 08:45 | 26 | Filip Cristian Jianu v John Sperle | 6-3,7-5 | |
| ITF M15 Antalya | 03/20 08:55 | 25 | Filip Cristian Jianu v Liam Gavrielides | 6-4,6-4 |
Filip Cristian Jianu (born 18 September 2001) is a Romanian tennis player.
Jianu has a career high ATP singles ranking of No. 264 achieved on 16 January 2023 and a doubles ranking of No. 451 achieved on 10 April 2023.
Jianu has a career high ITF junior ranking of No. 5 achieved on 4 February 2019.
Jianu represents Romania at the Davis Cup.