| Open de França | 05/28 14:10 | 23 | [116] Valentin Vacherot v Alejandro Davidovich Fokina [32] | 6-4,2-6,2-6,6-7 | |
| Open de França | 05/23 09:00 | 19 | [116] Valentin Vacherot v Billy Harris [202] | 7-6,7-5 | |
| Open de França | 05/22 08:00 | 15 | [116] Valentin Vacherot v Enzo Couacaud [210] | 4-6,6-3,7-5 | |
| Open de França | 05/20 08:00 | 14 | [116] Valentin Vacherot v Gabriel Debru [341] | 4-6,6-3,7-5 | |
| Challenger - Túnis | 05/17 13:15 | 28 | [120] Valentin Vacherot v Valentin Royer [230] | 6-7,4-6 | |
| Challenger - Túnis | 05/16 15:40 | 27 | [120] Valentin Vacherot v Timofey Skatov [247] | 6-1,6-2 | |
| Challenger - Túnis | 05/15 10:35 | 26 | [120] Valentin Vacherot v Nick Hardt [214] | 6-1,6-1 | |
| Challenger - Túnis | 05/14 12:30 | 25 | Valentin Vacherot v Nikoloz Basilashvili | 6-1,6-4 | |
| ATP - Roma | 05/06 08:00 | 14 | [120] Valentin Vacherot v Harold Mayot [130] | 3-6,3-6 | |
| Challenger - Aix en Provence | 05/04 14:15 | 28 | [131] Valentin Vacherot v Alejandro Tabilo [38] | 6-3,1-6,3-6 | |
| Challenger - Aix en Provence | 05/03 15:00 | 27 | [116] Richard Gasquet v Valentin Vacherot [131] | 3-6,4-6 | |
| Challenger - Aix en Provence | 05/03 10:40 | 26 | [131] Valentin Vacherot v Felipe M R Alves [128] | 6-3,3-6,7-6 | |
| Challenger - Aix en Provence | 05/01 13:35 | 25 | [97] Aleksandar Kovacevic v Valentin Vacherot [131] | 5-7,6-7 | |
| Challenger - Aix en Provence | 04/30 09:00 | 19 | [130] Hamad Medjedovic v Valentin Vacherot [131] | 3-6,2-6 | |
| Challenger - Aix en Provence | 04/29 09:00 | 14 | [338] Gabriel Debru v Valentin Vacherot [131] | 6-7,6-7 | |
| ATP - Madrid | 04/23 10:35 | 15 | [97] Aleksandar Kovacevic v Valentin Vacherot [131] | 6-4,6-2 | |
| ATP - Madrid | 04/22 12:25 | 14 | [131] Valentin Vacherot v Jurij Rodionov [117] | 6-3,2-6,6-2 | |
| ATP - Bucareste | 04/16 09:10 | 25 | [136] Valentin Vacherot v Marton Fucsovics [82] | 6-7,2-6 | |
| ATP - Bucareste | 04/15 10:00 | 19 | [136] Valentin Vacherot v Benjamin Bonzi [182] | 6-3,6-4 | |
| ATP - Bucareste | 04/14 11:50 | 25 | [138] Valentin Vacherot v Bogdan Pavel [360] | 6-1,6-4 | |
| ATP - Bucareste | 04/14 11:05 | 25 | Valentin Vacherot v Stefano Travaglia | Cancelled | |
| ATP - Monte Carlo | 04/08 10:40 | 24 | [138] Valentin Vacherot v Grigor Dimitrov [9] | 5-7,2-6 | |
| ATP - Houston | 03/31 16:00 | 19 | [146] Valentin Vacherot v Alexander Ritschard [194] | 6-7,6-7 | |
| ATP - Houston | 03/30 18:30 | 14 | [146] Valentin Vacherot v Ethan Quinn [253] | 3-6,6-3,6-4 | |
| Challenger - San Luis Potosi | 03/25 23:20 | 25 | [146] Valentin Vacherot v Bernard Tomic [298] | 2-6,6-3,3-6 | |
| ATP - Miami | 03/19 17:25 | 15 | [146] Valentin Vacherot v Andrea Vavassori [148] | 2-6,6-4,6-7 | |
| ATP - Miami | 03/18 18:50 | 14 | [104] Cristian Garin v Valentin Vacherot [146] | 3-6,4-6 | |
| Challenger - Nova Deli | 02/28 07:20 | 26 | Valentin Vacherot v Coleman Wong | Walkover | |
| Challenger - Nova Deli | 02/27 06:00 | 25 | [173] Valentin Vacherot v Jonas Forejtek [432] | 6-4,6-7,7-6 | |
| Challenger - Pune | 02/25 11:00 | 29 | [173] Valentin Vacherot v Adam Walton [153] | 3-6,7-6,7-6 |
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.