| Challenger - Nonthaburi | 08/25 06:00 | 26 | [318] Nicola Kuhn v Valentin Vacherot [344] | 5-7,3-6 | |
| Challenger - Nonthaburi | 08/23 06:05 | 25 | [344] Valentin Vacherot v Gage Brymer [461] | 6-1,6-4 | |
| Challenger - Nonthaburi | 08/22 05:40 | 19 | [345] Valentin Vacherot v James McCabe [445] | 6-4,6-4 | |
| Challenger - Nonthaburi | 08/21 05:10 | 14 | [345] Valentin Vacherot v Jisung Nam [250] | Retired | |
| Challenger - San Marino | 08/12 16:30 | 27 | [142] Marco Cecchinato v Valentin Vacherot [388] | 7-6,6-1 | |
| Challenger - San Marino | 08/11 14:30 | 26 | [219] Jesper De Jong v Valentin Vacherot [388] | 2-6,3-6 | |
| Challenger - San Marino | 08/09 19:00 | 25 | [388] Valentin Vacherot v Giulio Zeppieri [143] | 2-6,7-6,6-1 | |
| Challenger - San Marino | 08/08 09:20 | 19 | [339] Marius Copil v Valentin Vacherot [430] | 6-7,6-7 | |
| Challenger - San Marino | 08/07 14:15 | 14 | [333] Mili Poljicak v Valentin Vacherot [430] | 2-6,3-6 | |
| ITF - M15 Kottingbrunn | 07/31 08:00 | 29 | Valentin Vacherot v Max Houkes | 6-3,6-4 | |
| ITF - M15 Kottingbrunn | 07/30 12:40 | 28 | Valentin Vacherot v Kalin Ivanovski | 6-1,6-3 | |
| ITF - M15 Kottingbrunn | 07/29 10:40 | 27 | Valentin Vacherot v Nathan Seateun | 6-4,6-1 | |
| ITF - M15 Kottingbrunn | 07/28 09:00 | 26 | Valentin Vacherot v Marko Andrejic | 6-4,6-4 | |
| ITF - M15 Kottingbrunn | 07/27 13:25 | 25 | Valentin Vacherot v Stepan Mruzek | 6-4,6-2 | |
| ITF - M15 Innsbruck | 07/23 08:00 | 28 | Valentin Vacherot v Sandro Kopp | 2-6,6-3,3-6 | |
| ITF - M15 Innsbruck | 07/22 09:45 | 27 | Valentin Vacherot v Juan Manuel Benitez Chavarriaga | Retired | |
| ITF - M15 Innsbruck | 07/21 09:40 | 26 | Valentin Vacherot v Kalin Ivanovski | 6-1,6-2 | |
| ITF - M15 Innsbruck | 07/19 08:00 | 25 | Valentin Vacherot v Marko Andrejic | 6-1,3-6,6-3 | |
| Challenger Francavilla | 05/16 14:35 | 25 | Daniel Dutra Da Silva v Valentin Vacherot | Cancelled | |
| ITF - M25 Santa Margherita | 05/04 11:55 | 26 | Davide Galoppini v Valentin Vacherot | 6-2,4-6,7-6 | |
| ITF - M25 Santa Margherita | 05/03 11:55 | 25 | Stefanos Sakellaridis v Valentin Vacherot | 3-6,2-6 | |
| Challenger - Morelos | 04/24 17:50 | 14 | [386] Valentin Vacherot v Benjamin Lock [462] | 5-7,7-6,3-6 | |
| ATP - Monte Carlo | 04/09 09:00 | 14 | [72] Oscar Otte v Valentin Vacherot [395] | 6-4,7-6 | |
| Challenger - Sanremo | 04/05 13:55 | 25 | [395] Valentin Vacherot v Evgeny Karlovskiy [286] | 1-6,7-6,6-7 | |
| Challenger - Sanremo | 04/04 09:45 | 19 | [395] Valentin Vacherot v Damien Wenger [468] | 6-1,7-5 | |
| Challenger - Sanremo | 04/03 13:30 | 14 | [403] Lucas Catarina v Valentin Vacherot [464] | 3-6,7-6,1-6 | |
| ITF - M25 Quinta Do Lago | 03/27 13:00 | 29 | [354] Yu Hsiou Hsu v Valentin Vacherot [464] | 4-6,3-6 | |
| ITF - M25 Quinta Do Lago | 03/27 09:00 | 28 | [464] Valentin Vacherot v Hady Habib [422] | 7-6,6-4 | |
| ITF - M25 Quinta Do Lago | 03/26 10:30 | 27 | Valentin Vacherot v Pedro Araujo | 6-2,6-3 | |
| ITF - M25 Quinta Do Lago | 03/25 16:15 | 26 | Valentin Vacherot v Mario G Fernandez | 6-2,6-0 |
Valentin Vacherot (born 16 November 1998) is a French-Monégasque tennis player. Vacherot has a career high ATP singles ranking of world No. 131 achieved on 22 April 2024. He also has a career high doubles ranking of No. 476 achieved on 20 February 2023.
Vacherot played college tennis at Texas A&M University.
Vacherot represents Monaco at the Davis Cup, where he has a win–loss record of 4–1.
In 2022, Vacherot won his first Challenger singles tournament at the Nonthaburi Challenger, Thailand, beating Lý Hoàng Nam in the finals.
He received a wildcard for the 2023 Monte-Carlo Masters main draw, losing in the first round to Luca Nardi. He also received a wildcard for the 2024 Monte-Carlo Masters, losing to ninth seed Grigor Dimitrov. Ranked No. 136, he qualified for the main draw at the 2024 Țiriac Open.
He reached the top 120 on 6 May 2024, following a semifinal appearance as a qualifier, at the 2024 Open Aix Provence. He defeated Aleksandar Kovacevic, qualifier Felipe Meligeni Alves and alternate Richard Gasquet to setup a meeting with third seed Alejandro Tabilo.