| 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.