| Challenger Nottingham | 02/05 12:50 | 19 | [96] Petr Nouza v Remy Bertola [405] | 2-6,1-6 | |
| Challenger Nottingham | 02/04 16:15 | 14 | [340] Egor Gerasimov v Petr Nouza [108] | 6-4,3-6,4-6 | |
| Cseh Extraliga | 12/17 11:00 | - | [101] Petr Nouza v Jurij Rodionov [115] | 6-7,4-6 | |
| Cseh Extraliga | 12/15 11:00 | - | [101] Petr Nouza v Martin Krumich [390] | 6-4,6-3 | |
| Challenger Danderyd | 11/13 15:05 | 19 | [247] Maximilian Neuchrist v Petr Nouza [104] | 6-7,7-6,6-3 | |
| Challenger Danderyd | 11/12 14:10 | 14 | [96] Petr Nouza v Remy Bertola [429] | 7-6,7-6 | |
| Challenger Helsinki | 11/05 10:20 | 14 | [218] Francesco Maestrelli v Petr Nouza [97] | 7-6,6-4 | |
| Challenger Ismaning | 10/29 14:20 | 14 | [97] Petr Nouza v Kacper Zuk [373] | 6-7,3-6 | |
| Challenger Bad Waltersdorf | 09/21 12:55 | 26 | [97] Albert Ramos-Vinolas v Petr Nouza [96] | 6-2,6-3 | |
| Challenger Bad Waltersdorf | 09/19 12:45 | 25 | [200] Franco Agamenone v Petr Nouza [96] | 5-7,7-6,3-6 | |
| Challenger Bad Waltersdorf | 09/18 09:25 | 19 | [307] Maks Kasnikowski v Petr Nouza [96] | 6-3,3-6,3-6 | |
| Challenger Bad Waltersdorf | 09/17 11:35 | 14 | [97] Petr Nouza v Tim Handel [458] | 7-5,6-2 | |
| Challenger Szczecin | 09/12 10:55 | 25 | [97] Petr Nouza v Flavio Cobolli [132] | 7-6,4-6,4-6 | |
| Challenger Szczecin | 09/11 09:30 | 19 | [97] Petr Nouza v Carlos Taberner [307] | 7-5,6-4 | |
| Challenger Szczecin | 09/10 08:30 | 14 | [100] Petr Nouza v Alexander Zgirovsky [322] | 6-4,6-3 | |
| Challenger Poznan | 06/18 11:10 | 14 | [152] Petr Nouza v Jerome Kym [422] | 5-7,6-7 | |
| ITF M25 Prague | 05/18 08:55 | 26 | [184] Petr Nouza v Henri Squire [313] | 4-6,7-5,4-6 | |
| ITF M25 Prague | 05/17 09:25 | 25 | [184] Petr Nouza v Alex Rybakov [395] | 6-4,6-3 | |
| Challenger Ostrava | 04/23 13:10 | 14 | [311] Rudolf Molleker v Petr Nouza [212] | 7-6,2-6,7-6 | |
| Challenger Oeiras | 04/18 11:35 | 25 | [119] Sebastian Ofner v Petr Nouza [212] | 6-3,6-4 | |
| Challenger Oeiras | 04/17 10:35 | 19 | [209] Petr Nouza v Akira Santillan [413] | 6-2,7-5 | |
| Challenger Oeiras | 04/16 11:10 | 14 | [209] Petr Nouza v Sandro Kopp [467] | 6-2,7-6 | |
| Challenger Biel | 03/19 13:15 | 14 | Enrico Dalla Valle v Petr Nouza | 7-6,6-4 | |
| Challenger Pune | 02/26 05:30 | 14 | [211] Petr Nouza v Dominik Palan [414] | 3-6,4-6 | |
| Challenger Chennai | 02/16 05:00 | 26 | [232] Petr Nouza v Max Purcell [203] | 5-7,3-6 | |
| Challenger Chennai | 02/14 08:00 | 25 | [158] Luca Nardi v Petr Nouza [232] | 4-6,5-7 | |
| Challenger Chennai | 02/13 06:45 | 19 | [371] Andrew Paulson v Petr Nouza [232] | 3-6,4-6 | |
| Challenger Chennai | 02/12 07:25 | 14 | [233] Petr Nouza v Dominik Palan [405] | 6-3,7-5 | |
| Cseh Extraliga | 12/16 12:00 | - | [81] Jiri Lehecka v Petr Nouza [248] | 6-3,6-6 | |
| Cseh Extraliga | 12/14 12:00 | - | [50] Alex Molcan v Petr Nouza [248] | 6-7,3-6 |
Petr Nouza (born 9 September 1998) is a Czech professional tennis player.
Nouza has a career high ATP singles ranking of 536 achieved on 5 August 2019. He also has a career high doubles ranking of 96 achieved on 18 September 2023. Nouza has won 6 ATP Challenger doubles titles.
He won his maiden Challenger at the 2023 Oeiras Indoors with Victor Vlad Cornea.