| ITF M25 Manama | 11/12 09:30 | - | Maximilian Homberg v Petr Nesterov | 4-6,6-3,6-4 | |
| ITF M15 Manama | 11/08 13:00 | - | Petr Nesterov v Nino Ehrenschneider | 2-6,6-2,6-7 | |
| ITF M15 Manama | 11/07 10:30 | - | Giles Hussey v Petr Nesterov | 0-6,6-4,2-6 | |
| ITF M15 Manama | 11/06 08:00 | - | Seydina Andre v Petr Nesterov | 2-6,5-7 | |
| ITF M15 Manama | 11/04 08:00 | - | Tyler Stice v Petr Nesterov | 4-6,2-6 | |
| Challenger Hersonissos | 10/13 08:00 | 19 | [384] Petr Brunclik v Petr Nesterov [385] | 6-3,3-6,6-4 | |
| Challenger Hersonissos Qual | 10/12 10:20 | 45 | [311] Dimitris Sakellaridis v Petr Nesterov [384] | 5-7,3-6 | |
| ITF M15 Heraklion | 10/11 08:00 | - | [384] Petr Nesterov v Johan Nikles [475] | 2-6,0-6 | |
| ITF M15 Heraklion | 10/10 07:00 | - | Petr Nesterov v Melios Efstathiou | 7-6,6-5 | |
| ITF M15 Heraklion | 10/09 09:19 | - | Petr Nesterov v Romain Faucon | 6-3,7-6 | |
| ITF M15 Heraklion | 10/08 14:14 | - | [384] Petr Nesterov v Finn Murgett [488] | 6-2,7-5 | |
| ITF M15 Heraklion | 09/30 10:00 | - | Julian Reister v Petr Nesterov | 6-2,7-5 |
Petr Nesterov (Bulgarian: Пьотр Нестеров, romanized: Pyotr Nesterov, born 7 March 2003) is a Bulgarian tennis player. He has a career-high ATP singles ranking of world No. 384 achieved on 28 October 2024 and a doubles ranking of No. 260 achieved on 4 November 2024. Nesterov reached the final of the 2021 US Open Junior doubles with Ukrainian Viacheslav Bielinskyi.