| Challenger Cherbourg | 02/09 14:40 | 25 | [251] Julian Lenz v Hugo Gaston [168] | 1-6,6-3,3-6 | |
| Challenger Quimper | 02/02 09:30 | 25 | [166] Hugo Gaston v Federico Gaio [138] | 6-7,4-6 | |
| Challenger Quimper | 01/25 17:00 | 25 | [164] Hugo Gaston v Gregoire Barrere [111] | 3-6,4-6 | |
| Australian Open | 01/11 13:40 | 60 | [161] Hugo Gaston v Max Purcell [238] | 6-7,6-4,3-6 | |
| ATP Paříž | 11/02 20:20 | 24 | [15] Pablo Carreno Busta v Hugo Gaston [161] | 6-3,6-2 | |
| Challenger Hamburk | 10/28 15:05 | 26 | [171] Sebastian Ofner v Hugo Gaston [162] | 7-6,6-2 | |
| Challenger Hamburk | 10/26 16:00 | 25 | [162] Hugo Gaston v Sumit Nagal [131] | Retired | |
| Challenger Hamburk | 10/25 13:20 | - | [159] Hugo Gaston v Matthias Bachinger [280] | 6-4,4-6,4-6 | |
| Challenger Hamburk | 10/24 13:45 | 26 | [159] Hugo Gaston v Hugo Grenier [249] | 7-6,6-7,6-4 | |
| French Open | 10/04 14:10 | 26 | [239] Hugo Gaston v Dominic Thiem [3] | 4-6,4-6,7-5,6-3,3-6 | |
| French Open | 10/02 11:10 | 25 | [17] Stan Wawrinka v Hugo Gaston [239] | 6-2,3-6,3-6,6-4,0-6 | |
| French Open | 09/30 09:30 | 24 | [239] Hugo Gaston v Yoshihito Nishioka [52] | 6-4,7-6,3-6,6-2 | |
| French Open | 09/28 11:00 | 23 | [239] Hugo Gaston v Maxime Janvier [204] | 7-6,6-4,6-3 | |
| Challenger Aix en Provence | 09/07 11:00 | 25 | [231] Hugo Gaston v Roberto Cid Subervi [218] | 3-6,7-6,3-6 | |
| Challenger Aix en Provence | 09/06 09:00 | 19 | [213] Ruben Bemelmans v Hugo Gaston [231] | 6-7,5-7 | |
| Challenger Aix en Provence | 09/05 08:00 | 64 | [231] Hugo Gaston v Maxime Janvier [195] | 6-3,6-0 | |
| Challenger Cordenons | 08/29 13:45 | 64 | [229] Hugo Gaston v Andrea Pellegrino [340] | 7-6,3-6,3-6 | |
| Challenger Cordenons | 08/29 13:45 | 26 | Hugo Gaston v Geoffrey Blancaneaux | Cancelled | |
| Challenger Trieste | 08/25 10:10 | - | [229] Hugo Gaston v Maximilian Marterer [377] | 1-6,2-6 | |
| Challenger Todi | 08/18 16:20 | - | [228] Hugo Gaston v Facundo Bagnis [134] | 4-6,6-4,1-6 | |
| Challenger Pau | 02/27 17:10 | 26 | Harold Mayot v Hugo Gaston | Retired | |
| Challenger Pau | 02/26 12:05 | 25 | [228] Hugo Gaston v Yannick Maden [139] | 1-6,6-4,6-4 | |
| Challenger Pau | 02/25 13:10 | 24 | [262] Aslan Karatsev v Hugo Gaston [228] | 3-6,6-1,1-6 | |
| Challenger Bergamo | 02/22 17:30 | 28 | [248] Hugo Gaston v Illya Marchenko [253] | 6-4,4-6,4-6 | |
| Challenger Bergamo | 02/21 10:00 | 27 | [248] Hugo Gaston v Cem Ilkel [199] | 6-4,6-4 | |
| Challenger Bergamo | 02/20 10:20 | 26 | [154] Lorenzo Giustino v Hugo Gaston [248] | 3-6,6-3,4-6 | |
| Challenger Bergamo | 02/18 16:10 | 25 | [246] Hugo Grenier v Hugo Gaston [248] | 3-6,0-6 | |
| Challenger Cherbourg | 02/10 13:05 | 24 | [248] Hugo Gaston v Maximilian Marterer [342] | 7-6,4-6,4-6 | |
| ATP - Montpellier | 02/02 11:15 | 64 | [247] Hugo Gaston v Nicolas Mahut [191] | 2-6,2-6 | |
| Australian Open | 01/21 08:40 | 23 | [247] Hugo Gaston v Jaume Munar [90] | 5-7,7-5,0-6,3-6 |
Wikipedia - Hugo Gaston
Hugo Gaston (* 26. září 2000 Toulouse) je francouzský profesionální tenista. Ve své dosavadní kariéře na okruhu ATP Tour nevyhrál žádný turnaj ve dvouhře ani ve čtyřhře. Na challengerech ATP a okruhu ITF získal k červenci 2021 čtyři tituly ve dvouhře a dva ve čtyřhře.
Na žebříčku ATP byl ve dvouhře nejvýše klasifikován v červenci 2021 na 133. místě, ve čtyřhře pak v témže měsíci na 265. místě.
Trénuje ho Marc Barbier.
Ve francouzském daviscupovém týmu nenastoupil k roku 2021 k žádnému mezistátnímu utkání.