| ITF M15 Bukarest | 05/12 09:50 | 29 | Petr Nesterov v Niels Lootsma | 6-3,4-6,7-6 | |
| ITF M15 Bukarest | 05/11 07:00 | 28 | Carlo A Caniato v Petr Nesterov | 4-6,3-6 | |
| ITF M15 Bukarest | 05/10 07:00 | 27 | [477] Juan Bautista Otegui v Petr Nesterov [491] | 3-6,7-5,1-6 | |
| ITF M15 Bukarest | 05/09 07:00 | 26 | Radu David Turcanu v Petr Nesterov | 6-0,2-6,1-6 | |
| ITF M15 Bukarest | 05/08 07:15 | 25 | Samuil Konov v Petr Nesterov | 6-4,3-6,6-7 | |
| ITF M25 Sharm El Sheikh | 04/11 11:35 | 26 | Matt Hulme v Petr Nesterov | 6-4,6-4 | |
| ITF M25 Sharm El Sheikh | 04/10 08:00 | 25 | Finley Hall v Petr Nesterov | 2-6,2-6 | |
| ITF M25 Sharm El Sheikh | 04/05 08:00 | 27 | Petr Nesterov v Karim-Mohamed Maamoun | 6-3,1-6,6-7 | |
| ITF M25 Sharm El Sheikh | 04/04 09:30 | 26 | [412] Cem Ilkel v Petr Nesterov [490] | 3-6,2-6 | |
| ITF M25 Sharm El Sheikh | 04/03 14:25 | 25 | Ilia Simakin v Petr Nesterov | 1-6,5-7 | |
| ITF M15 Aktöbe | 03/15 06:00 | 27 | Ilia Simakin v Petr Nesterov | 6-7,6-2,6-2 | |
| ITF M15 Aktöbe | 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.