| Challenger Rome | 04/25 13:15 | 25 | [303] Max Houkes v Valentin Vacherot [360] | 4-6,6-3,6-4 | |
| Challenger Rome | 04/24 08:00 | 19 | [337] Ugo Blanchet v Valentin Vacherot [360] | 6-4,3-6,4-6 | |
| Challenger Rome | 04/23 12:15 | 14 | [370] Evgeny Karlovskiy v Valentin Vacherot [354] | 1-6,4-6 | |
| ATP Banja Luka | 04/16 12:30 | 14 | [134] Liam Broady v Valentin Vacherot [357] | 6-3,6-1 | |
| ATP Monte Carlo | 04/11 12:20 | 24 | [357] Valentin Vacherot v Luca Nardi [159] | 5-7,5-7 | |
| Challenger Barletta | 04/02 13:25 | 14 | Valentin Vacherot v Jeremy Jahn | 4-6,6-1,5-7 | |
| Challenger Sanremo | 03/28 09:45 | 25 | [322] Valentin Vacherot v Edoardo Lavagno [340] | 3-6,3-6 | |
| Challenger Sanremo | 03/27 09:40 | 19 | [364] Andrea Arnaboldi v Valentin Vacherot [322] | 3-6,6-4,1-6 | |
| Challenger Sanremo | 03/26 11:25 | 14 | [493] Maxime Chazal v Valentin Vacherot [322] | 5-7,6-1,5-7 | |
| ITF M25 Vila Real de Santo Antonio | 02/17 12:25 | 27 | [381] Federico Gaio v Valentin Vacherot [316] | 7-6,6-3 | |
| ITF M25 Vila Real de Santo Antonio | 02/16 11:45 | 26 | Jacopo Berrettini v Valentin Vacherot | 4-6,3-6 | |
| ITF M25 Vila Real de Santo Antonio | 02/15 12:55 | 25 | Seydina Andre v Valentin Vacherot | 2-6,6-4,2-6 | |
| ITF M25 Vila Real de Santo Antonio | 02/09 13:20 | 25 | Valentin Vacherot v Sergi Perez Contri | 4-6,4-6 | |
| Davis Cup | 02/05 12:10 | - | Valentin Vacherot v Nick Hardt | Cancelled | |
| Davis Cup | 02/05 09:00 | 45 | Valentin Vacherot v Peter Bertran | 6-7,6-4,10-8 | |
| Davis Cup | 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 | |
| Davis Cup | 09/17 11:35 | 4 | [285] Benjamin Hassan v Valentin Vacherot [262] | 3-6,6-7 |
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.