| 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 | |
| ITF M25 - Quinta Do Lago | 03/25 10:00 | 25 | Valentin Vacherot v Yuta Shimizu | 6-2,6-3 | |
| ITF - M15 Monastir | 03/18 11:15 | 27 | Skander Mansouri v Valentin Vacherot | 6-4,7-6 | |
| ITF - M15 Monastir | 03/17 13:15 | 26 | Ryotaro Matsumura v Valentin Vacherot | 3-6,5-7 | |
| ITF - M15 Monastir | 03/16 13:00 | 25 | Gabriele Bosio v Valentin Vacherot | 1-6,3-6 | |
| ITF - M15 Monastir | 03/09 08:30 | 25 | Bu Yunchaokete v Valentin Vacherot | 6-3,1-6,7-5 | |
| Davis Cup | 03/05 13:30 | 45 | Valentin Vacherot v Adam Moundir | Cancelled | |
| Davis Cup | 03/04 11:50 | 45 | [477] Valentin Vacherot v Elliot Benchetrit [413] | 6-2,6-4 | |
| ITF - M25 Antalya | 02/25 11:00 | 26 | Titouan Droguet v Valentin Vacherot | 3-6,6-3,7-5 | |
| ITF - M25 Antalya | 02/22 10:30 | 25 | [477] Valentin Vacherot v Alexis Gautier [360] | 6-4,6-1 | |
| ITF - M25 Antalya | 02/17 07:00 | 26 | Valentin Vacherot v Stefan Palosi | 4-6,6-3,3-6 | |
| ITF - M25 Antalya | 02/16 07:00 | 25 | Evgeny Tyurnev v Valentin Vacherot | Retired | |
| ITF - M25 Monastir | 01/26 14:55 | 25 | Valentin Vacherot v Titouan Droguet | 7-6,6-7,1-6 | |
| ITF - M15 Monastir | 01/23 09:30 | 29 | Raphael Collignon v Valentin Vacherot | 3-6,4-6 | |
| ITF - M15 Monastir | 01/22 09:15 | 28 | Valentin Vacherot v Benjamin Lock | 6-3,6-2 | |
| ITF - M15 Monastir | 01/21 11:20 | 27 | Bu Yunchaokete v Valentin Vacherot | 0-6,2-6 | |
| ITF - M15 Monastir | 01/20 11:05 | 26 | Mathieu Scaglia v Valentin Vacherot | 1-6,5-7 | |
| ITF - M15 Monastir | 01/19 11:05 | 25 | Gabriele Piraino v Valentin Vacherot | 6-4,5-7,1-6 | |
| ITF - M15 Monastir | 01/16 08:30 | 28 | Sebastian Gima v Valentin Vacherot | 6-2,6-3 | |
| ITF - M15 Monastir | 01/15 08:30 | 27 | Hanwen Li v Valentin Vacherot | 1-6,5-7 | |
| ITF - M15 Monastir | 01/14 11:30 | 26 | Gabriele Piraino v Valentin Vacherot | 1-6,6-7 | |
| ITF - M15 Monastir | 01/12 10:00 | 25 | Wissam Abderrahman v Valentin Vacherot | 1-6,2-6 | |
| Challenger - Forlì | 12/07 12:50 | 25 | Keegan Smith v Valentin Vacherot | 7-5,6-4 |
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.