Tristan Lamasine
Tristan Lamasine is a French, professional tennis player.
Career
2010–2015
From 2010 to 2015, Lamasine played mostly in the ATP Challenger Tour and the ITF Men's Circuit.He made his ITF Men's Circuit singles debut in September 2010 and ATP Challenger Tour singles debut in March 2011.
From 2010 to 2015, Lamasine played in the singles event of only four ATP World Tour events and was eliminated in the singles qualifying rounds of all of them.
He made his ITF Men's Circuit doubles debut in September 2010. In October 2011, he made his debut in the doubles event of an ATP Challenger Tour tournament, at the 2011 Open de Rennes.
Lamasine made his Grand Slam singles and men's doubles debut at the 2014 French Open. He was beaten in the second qualifying round of the men's singles. He and Laurent Lokoli, who had received a wild card for the men's doubles main draw, lost in the men's doubles first round to the 4th-seeded pair of David Marrero and Fernando Verdasco.
In July 2015, Lamasine reached his first career ATP Challenger Tour singles final at the tournament in Tampere. He defeated André Ghem in the final 6–3, 6–2.
2016
Lamasine qualified for the singles main draw of 2016 Wimbledon Championships after winning three qualifying matches. He lost in the first round of the singles main draw to 25th seed Viktor Troicki in straight sets. It was his first career singles match in the main draw of an ATP World Tour or Grand Slam tournament.Lamasine won two singles qualifying matches to reach the singles main draw of the 2016 Swedish Open, but lost in the first round to another qualifier, Calvin Hemery, in three sets. That was his first career singles match in the main draw of a non-Grand Slam ATP World Tour tournament.
Lamasine won two singles qualifying matches to reach the singles main draw of the 2016 Swiss Open. He went on to register his first career singles win in the main draw of an ATP World Tour tournament by defeating Radu Albot in straight sets in the first round. He lost his second-round match to third seed Albert Ramos-Viñolas in straight sets. At that tournament, Lamasine made his doubles debut in a non-Grand Slam ATP World Tour tournament by partnering Paul-Henri Mathieu; the unseeded pair lost in the first round of the main draw.
2019
Starting from the first week of 2019, Lamasine played exclusively on the ATP Challenger Tour until the ATP Tour 250 Lyon Open that was held in late May. At the Lyon Open, Lamasine gained entry to the singles main draw as a lucky loser when Mikhail Kukushkin withdrew due to right shoulder pain. Lamasine had lost to Jannik Sinner in the final qualifying round but defeated him in main draw first round before losing to top seed Nikoloz Basilashvili in the second round.ATP Challenger Tour and ITF career finals
Singles: 8 (3–5)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | France F18, Nevers | Futures | Hard |  Vincent Millot | 3–6, 1–6 | |
| Loss | 0–2 | Turkey F41, Antalya | Futures | Hard |  Ivo Minář | 1–6, 6–1, 3–6 | |
| Loss | 0–3 | Portugal F3, Faro | Futures | Hard |  Andrés Artuñedo Martínavarro | 4–6, 2–6 | |
| Loss | 0–4 | France F5, Balma | Futures | Hard | Rudy Coco | 2–6, 4–6 | |
| Win | 1–4 | Greece F6, Heraklion | Futures | Hard |  Alexander Ward | w/o | |
| Loss | 1–5 | France F8, Angers | Futures | Clay | Julien Obry | 6–3, 2–6, 3–6 | |
| Win | 2–5 | France F13, Montauban | Futures | Clay | Martin Vaïsse | 7–6, 1–6, 7–6 | |
| Win | 3–5 | 2015 Tampere Open – Men's Singles| | Tampere, Finland | Challenger | Clay |  André Ghem | 6–3, 6–2 |
Doubles: 22 (15–7)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Vietnam F1, Bạc Liêu | Futures | Hard | Laurent Lokoli |  Dekel Bar Zach Itzstein | 6–4, 6–3 | |
| Win | 2–0 | Greece F4, Heraklion | Futures | Hard | Sébastien Boltz | Rémi Boutillier Alexis Musialek | 6–3, 4–6, | |
| Loss | 2–1 | Romania F3, Bacău | Futures | Clay |  Piotr Gadomski |  Bradley Klahn Michael Venus | 6–7, 7–6, | |
| Loss | 2–2 | France F3, Feucherolles | Futures | Hard | Laurent Lokoli | Jonathan Eysseric Nicolas Renavand | 6–7, 4–6 | |
| Win | 3–2 | Greece F5, Heraklion | Futures | Hard | Grégoire Barrère | Marek Jaloviec Václav Šafránek | 7–6, 6–2 | |
| Win | 4–2 | 2014 Internationaux de Tennis de Blois – Doubles| | Blois, France | Challenger | Clay | Laurent Lokoli |  Guillermo Durán Máximo González | 7–5, 6–0 |
| Win | 5–2 | France F12, Montauban | Futures | Clay | Maxime Teixeira | Yanais Laurent Constant Lestienne | 6–4, 6–4 | |
| Win | 6–2 | 2015 Tampere Open – Men's Doubles| | Tampere, Finland | Challenger | Clay | André Ghem |  Harri Heliövaara Patrik Niklas-Salminen | 7–6, 7–6 |
| Win | 7–2 | 2015 Pekao Szczecin Open – Doubles| | Szczecin, Poland | Challenger | Clay | Fabrice Martin |  Federico Gaio Alessandro Giannessi | 6–3, 7–6 |
| Win | 8–2 | 2015 Open d'Orléans – Doubles| | Orléans, France | Challenger | Hard | Fabrice Martin | Ken Skupski Neal Skupski | 6–4, 7–6 |
| Win | 9–2 | 2015 Vietnam Open – Doubles| | Ho Chi Minh City, Vietnam | Challenger | Hard |  Nils Langer |  Saketh Myneni Sanam Singh | 1–6, 6–3, |
| Loss | 9–3 | 2016 BNP Paribas de Nouvelle-Calédonie – Doubles| | Nouméa, New Caledonia | Challenger | Hard | Grégoire Barrère | Julien Benneteau Édouard Roger-Vasselin | 6–7, 6–3, |
| Win | 10–3 | 2016 Open BNP Paribas Banque de Bretagne – Doubles| | Quimper, France | Challenger | Hard | Albano Olivetti |  Nikola Mektić Antonio Šančić | 6–2, 4–6, |
| Win | 11–3 | 2016 Open Sopra Steria de Lyon – Doubles| | Lyon, France | Challenger | Clay | Grégoire Barrère | Jonathan Eysseric Franko Škugor | 2–6, 6–3, |
| Win | 12–3 | 2016 Challenger Banque Nationale de Gatineau – Men's Doubles| | Gatineau, Canada | Challenger | Hard | Franko Škugor | Jarryd Chaplin John-Patrick Smith | 6–3, 6–1 |
| Loss | 12–4 | 2016 Sibiu Open – Doubles| | Sibiu, Romania | Challenger | Clay | Jonathan Eysseric |  Robin Haase Tim Pütz | 4–6, 2–6 |
| Win | 13–4 | 2017 BNP Paribas de Nouvelle-Calédonie – Doubles| | Nouméa, New Caledonia | Challenger | Hard | Quentin Halys | Adrián Menéndez Maceiras Stefano Napolitano | 7–6, 6–1 |
| Win | 14–4 | 2017 Verrazzano Open – Doubles| | Sophia Antipolis, France | Challenger | Clay | Franko Škugor |  Uladzimir Ignatik Jozef Kovalík | 6–2, 6–2 |
| Loss | 14–5 | 2017 Open d'Orléans – Doubles| | Orléans, France | Challenger | Hard | Jonathan Eysseric | Guillermo Durán Andrés Molteni | 3–6, 7–6, |
| Win | 15–5 | Portugal F7, Porto | Futures | Clay |  Germain Gigounon |  Francisco Cabral Tiago Cação | 5–7, 6–3, | |
| Loss | 15–6 | Portugal F8, Cascais | Futures | Clay | Germain Gigounon | Niels Desein Boy Westerhof | 6–7, 2–6 | |
| Loss | 15–7 | 2019 Verrazzano Open – Doubles| | Sophia Antipolis, France | Challenger | Clay | Enzo Couacaud | Thiemo de Bakker Robin Haase | 4–6, 4–6 |