| ITF - Bukareszt M15 | 05/12 09:50 | 29 | Petr Nesterov v Niels Lootsma | 6-3,4-6,7-6 | |
| ITF - Bukareszt M15 | 05/11 07:00 | 28 | Carlo A Caniato v Petr Nesterov | 4-6,3-6 | |
| ITF - Bukareszt M15 | 05/10 07:00 | 27 | [477] Juan Bautista Otegui v Petr Nesterov [491] | 3-6,7-5,1-6 | |
| ITF - Bukareszt M15 | 05/09 07:00 | 26 | Radu David Turcanu v Petr Nesterov | 6-0,2-6,1-6 | |
| ITF - Bukareszt M15 | 05/08 07:15 | 25 | Samuil Konov v Petr Nesterov | 6-4,3-6,6-7 | |
| ITF - Sharm El Sheikh M25 | 04/11 11:35 | 26 | Matt Hulme v Petr Nesterov | 6-4,6-4 | |
| ITF - Sharm El Sheikh M25 | 04/10 08:00 | 25 | Finley Hall v Petr Nesterov | 2-6,2-6 | |
| ITF - Sharm El Sheikh M25 | 04/05 08:00 | 27 | Petr Nesterov v Karim-Mohamed Maamoun | 6-3,1-6,6-7 | |
| ITF - Sharm El Sheikh M25 | 04/04 09:30 | 26 | [412] Cem Ilkel v Petr Nesterov [490] | 3-6,2-6 | |
| ITF - Sharm El Sheikh M25 | 04/03 14:25 | 25 | Ilia Simakin v Petr Nesterov | 1-6,5-7 | |
| ITF - Aktobe M15 | 03/15 06:00 | 27 | Ilia Simakin v Petr Nesterov | 6-7,6-2,6-2 | |
| ITF - Aktobe M15 | 03/14 05:00 | 26 | Dax Donders v Petr Nesterov | 1-6,4-6 |
Petr Nesterov (Bulgarian: Пьотр Нестеров, born 7 March 2003) is a professional Bulgarian tennis player. He has a career-high ATP singles ranking of World No. 531 achieved on 18 March 2024, whilst his best doubles ranking is No. 383 achieved on 17 July 2023. Nesterov reached the final of the 2021 US Open Junior doubles with Ukrainian Viacheslav Bielinskyi.