| 2026-03-31 | Bucharest | Clay | R32 | 74 |  Damir Dzumhur | 246 |  Filip Cristian Jianu | 6-3 4-6 7-6(4) | H2H | 3 | 161 | 0 | 4 | 68.5% | 68.9% | 53.6% | 1/5 |
| 2025-03-31 | Bucharest | Clay | R16 | 65 | Damir Dzumhur | 241 | Filip Cristian Jianu (WC) | 6-4 3-6 6-3 | H2H | 3 | 152 | 0 | 2 | 62.1% | 63.0% | 60.6% | 1/4 |
| 2025-03-31 | Bucharest | Clay | R32 | 241 | Filip Cristian Jianu (WC) | 108 |  Nishesh Basavareddy | 6-3 6-4 | H2H | 3 | 92 | 0 | 0 | 80.8% | 66.7% | 60.0% | 3/5 |
| 2025-01-31 | Davis Cup WG1 PO: ROU vs BUL | Hard | RR | 533 |  Iliyan Radulov | 234 | Filip Cristian Jianu | 6-3 7-6(3) | H2H | 3 | - | - | - | - | - | - | - |
| 2025-01-31 | Davis Cup WG1 PO: ROU vs BUL | Hard | RR | 233 | Adrian Andreev | 234 | Filip Cristian Jianu | 6-3 3-6 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 2023-02-03 | Davis Cup WG1 PO: ROU vs THA | - | RR | 267 | Filip Cristian Jianu | 605 |  Kasidit Samrej | 6-4 6-7(5) 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2023-02-03 | Davis Cup WG1 PO: ROU vs THA | - | RR | 267 | Filip Cristian Jianu | 976 | Yuttana Charoenphon | 6-0 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 2021-09-18 | Davis Cup WG1 R1: POR vs ROU | Hard | RR | 150 |  Joao Sousa | 317 | Filip Cristian Jianu | 6-3 7-5 | H2H | 3 | 85 | 2 | 2 | 58.7% | 75.7% | 57.7% | 0/1 |
| 2019-04-05 | Davis Cup G2 R1: ROU vs ZIM | Hard | RR | - | Filip Cristian Jianu | - |  Mehluli Don Ayanda Sibanda | 6-3 7-5 | H2H | 3 | - | - | - | - | - | - | - |
