| Challenger Forli | 11/29 09:00 | 19 | Valentin Vacherot v Jelle Sels | 6-3,3-6,3-6 | |
| Challenger Forli | 11/28 12:00 | 14 | Alexander Erler v Valentin Vacherot | 3-6,2-6 | |
| ITF M15 New Delhi | 11/21 05:30 | 29 | Valentin Vacherot v Philip Sekulic | 5-7,6-2,7-6 | |
| ITF M15 New Delhi | 11/20 07:45 | 28 | Vishnu Vardhan v Valentin Vacherot | 1-6,1-6 | |
| ITF M15 New Delhi | 11/19 04:30 | 27 | Valentin Vacherot v Abhinav Sanjeev Shanmugam | 6-1,6-3 | |
| ITF M15 New Delhi | 11/18 04:00 | 26 | Valentin Vacherot v Zsombor Velcz | 6-3,6-2 | |
| ITF M15 New Delhi | 11/17 03:50 | 25 | Valentin Vacherot v Rishi Reddy | 6-3,6-0 | |
| ITF M15 Monastir | 10/27 17:15 | 25 | James McCabe v Valentin Vacherot | 7-5,6-4 | |
| ITF M15 Monastir | 10/24 08:30 | 29 | Moerani Bouzige v Valentin Vacherot | 6-4,7-5 | |
| ITF M15 Monastir | 10/23 08:30 | 28 | Valentin Vacherot v Louis Tessa | Retired | |
| ITF M15 Monastir | 10/22 08:30 | 27 | Valentin Vacherot v Sean Cuenin | Retired | |
| ITF M15 Monastir | 10/21 08:30 | 26 | Valentin Vacherot v Simon Beaupain | 7-6,6-1 | |
| ITF M15 Monastir | 10/20 12:10 | 25 | Valentin Vacherot v Viktor Jovic | 2-6,6-3,6-3 | |
| ITF M15 Doha | 10/17 13:30 | 29 | Alec Deckers v Valentin Vacherot | 6-4,3-6,6-3 | |
| ITF M15 Doha | 10/16 13:00 | 28 | Valentin Vacherot v Yanki Erel | 6-2,6-1 | |
| ITF M15 Doha | 10/15 13:00 | 27 | Valentin Vacherot v Alastair Gray | 6-3,6-4 | |
| ITF M15 Doha | 10/14 14:40 | 26 | Valentin Vacherot v Tibo Colson | 4-6,6-3,6-1 | |
| ITF M15 Doha | 10/13 16:35 | 25 | Valentin Vacherot v Niklas Schell | 7-6,6-3 | |
| ITF M15 Monastir | 10/09 08:30 | 28 | Valentin Vacherot v Ugo Blanchet | 6-7,4-6 | |
| ITF M15 Monastir | 10/08 10:05 | 27 | Valentin Vacherot v Quentin Folliot | 6-4,6-4 | |
| ITF M15 Monastir | 10/07 11:20 | 26 | Valentin Vacherot v Kazuki Nishiwaki | 6-2,6-3 | |
| ITF M15 Monastir | 10/06 10:15 | 25 | Valentin Vacherot v Daniil Glinka | 6-4,3-6,6-2 | |
| ITF M15 Vyshkovo | 09/23 09:42 | 25 | Valentin Vacherot v Georgii Kravchenko | 2-6,5-7 | |
| ITF M15 Sozopol | 09/18 08:00 | 28 | Valentin Vacherot v Ryan James Storrie | 2-6,2-6 | |
| ITF M15 Sozopol | 09/17 07:00 | 27 | Valentin Vacherot v Petru-Alexandru Luncanu | 6-2,6-0 | |
| ITF M15 Sozopol | 09/16 08:00 | 26 | Valentin Vacherot v Simeon Terziev | 6-0,6-3 | |
| ITF M15 Sozopol | 09/14 10:00 | 25 | Valentin Vacherot v Constantin B Kouzmine | 6-3,5-7,6-4 | |
| ITF M25 Sierre | 09/03 10:00 | 27 | Valentin Vacherot v Oliver Crawford | 3-6,6-7 | |
| ITF M25 Sierre | 09/02 11:05 | 26 | Tristan Schoolkate v Valentin Vacherot | 4-6,2-6 | |
| ITF M25 Sierre | 08/31 12:20 | 25 | Christian Langmo v Valentin Vacherot | 6-7,4-6 |
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.