| 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 | - | Miles Jones v Petr Nesterov | 6-2,7-5 | |
| ITF M15 Bucharest | 08/29 07:00 | - | Petr Nesterov v Radu David Turcanu | 4-6,6-1,1-6 | |
| Challenger Sofia | 08/18 08:50 | 19 | [496] David Jorda Sanchis v Petr Nesterov [455] | 4-6,6-1,7-6 | |
| Challenger Sofia | 08/17 12:20 | 14 | Viktor Kirov v Petr Nesterov | 6-7,4-6 | |
| Challenger Sofia | 08/10 07:55 | 14 | Petr Nesterov v Viktor Markov | 1-6,3-6 | |
| ITF M25 Gentofte | 07/30 07:30 | - | Petr Nesterov v Toby Samuel | 5-7,6-4,4-6 |
Petr Nesterov (Bulgarian: Пьотр Нестеров, 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.