| ITF M25 Vila Real de Santo António | 02/17 12:25 | 27 | [381] Federico Gaio v Valentin Vacherot [316] | 7-6,6-3 | |
| ITF M25 Vila Real de Santo António | 02/16 11:45 | 26 | Jacopo Berrettini v Valentin Vacherot | 4-6,3-6 | |
| ITF M25 Vila Real de Santo António | 02/15 12:55 | 25 | Seydina Andre v Valentin Vacherot | 2-6,6-4,2-6 | |
| ITF M25 Vila Real de Santo António | 02/09 13:20 | 25 | Valentin Vacherot v Sergi Perez Contri | 4-6,4-6 | |
| Davise karikas | 02/05 12:10 | - | Valentin Vacherot v Nick Hardt | Cancelled | |
| Davise karikas | 02/05 09:00 | 45 | Valentin Vacherot v Peter Bertran | 6-7,6-4,10-8 | |
| Davise karikas | 02/04 09:50 | 45 | Valentin Vacherot v Roberto Cid Subervi | 6-3,5-7,6-4 | |
| Challenger Ottignies | 01/25 09:00 | 25 | [238] Altug Celikbilek v Valentin Vacherot [295] | 6-4,6-2 | |
| Challenger Oeiras | 01/10 14:55 | 25 | [289] Valentin Vacherot v Raphael Collignon [263] | 5-7,4-6 | |
| Challenger Oeiras | 01/03 11:00 | 25 | [290] Valentin Vacherot v Joao Domingues [287] | 6-1,4-6,1-6 | |
| Challenger Maspalomas | 11/28 16:20 | 25 | [285] Valentin Vacherot v Steven Diez [348] | 6-1,2-6,4-6 | |
| Challenger Drummondville | 11/15 22:15 | 25 | [269] Valentin Vacherot v Michael Mmoh [118] | 5-7,2-6 | |
| Challenger Calgary | 11/11 01:00 | 26 | [279] Valentin Vacherot v Vasek Pospisil [118] | 6-7,3-6 | |
| Challenger Calgary | 11/08 19:40 | 25 | [277] Michael Geerts v Valentin Vacherot [279] | 4-6,6-4,1-6 | |
| Challenger Las Vegas | 10/25 22:20 | 25 | [269] Valentin Vacherot v Ben Shelton [158] | 7-6,6-7,4-6 | |
| Challenger - Fairfield | 10/12 17:00 | 26 | [206] Juncheng Shang v Valentin Vacherot [262] | 6-4,6-3 | |
| Challenger - Fairfield | 10/11 16:30 | 25 | Valentin Vacherot v Jacob Fearnley | 7-6,7-6 | |
| Challenger - Tiburon | 10/05 18:00 | 26 | [200] Ernesto Escobedo v Valentin Vacherot [262] | 6-2,6-4 | |
| Challenger - Tiburon | 10/03 21:00 | 25 | [326] Evan Zhu v Valentin Vacherot [262] | 6-4,4-6,4-6 | |
| Challenger Charleston | 09/27 18:40 | 25 | [156] Facundo Mena v Valentin Vacherot [266] | 7-5,6-4 | |
| Davise karikas | 09/17 11:35 | 4 | [285] Benjamin Hassan v Valentin Vacherot [262] | 3-6,6-7 | |
| Davise karikas | 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 |
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.