| Davis Cup | 09/16 09:30 | - | [368] Hady Habib v Valentin Vacherot [262] | 1-6,6-4,6-3 | |
| Challenger - Nonthaburi | 09/06 07:35 | 25 | [380] Akira Santillan v Valentin Vacherot [271] | 7-5,1-6,6-4 | |
| Challenger - Nonthaburi | 09/02 03:30 | 27 | [271] Valentin Vacherot v Beibit Zhukayev [395] | 5-7,6-3,6-7 | |
| Challenger - Nonthaburi | 09/01 03:00 | 26 | [242] Yosuke Watanuki v Valentin Vacherot [271] | 6-7,3-6 | |
| Challenger - Nonthaburi | 08/30 08:35 | 25 | [380] Akira Santillan v Valentin Vacherot [271] | 1-6,6-2,3-6 | |
| Challenger - Nonthaburi | 08/28 05:00 | 29 | [328] Nam Hoang Ly v Valentin Vacherot [344] | 3-6,6-7 | |
| Challenger - Nonthaburi | 08/27 06:40 | 28 | [344] Valentin Vacherot v Yasutaka Uchiyama [264] | 6-3,5-7,7-6 | |
| Challenger - Nonthaburi | 08/26 05:30 | 27 | [344] Valentin Vacherot v Kyrian Jacquet [473] | 6-3,6-2 | |
| 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 |
Valentin Vacherot (born 16 November 1998) is a French-Monégasque tennis player. He has a career high ATP singles ranking of world No. 116 achieved on 20 May 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 before losing to eventual champion and third seed Alejandro Tabilo.
He made his Grand Slam debut at the 2024 French Open after qualifying for the main draw.