| 2018 Open Sopra Steria de Lyon | |
|---|---|
| Date | 11–17 June |
| Edition | 3rd |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Lyon, France |
| Champions | |
| Singles | |
 Félix Auger-Aliassime | |
| Doubles | |
 Elliot Benchetrit / Geoffrey Blancaneaux | |
The 2018 Open Sopra Steria de Lyon was a professional tennis tournament played on clay courts. It was the 3rd edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Lyon, France, between 11 and 17 June 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Roberto Carballés Baena | 76 | 1 |
 AUT | Gerald Melzer | 111 | 2 |
 POR | Pedro Sousa | 120 | 3 |
| ESP | Pablo Andújar | 128 | 4 |
| FRA | Quentin Halys | 135 | 5 |
 SUI | Henri Laaksonen | 137 | 6 |
 RUS | Alexey Vatutin | 140 | 7 |
| FRA | Corentin Moutet | 141 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Félix Auger-Aliassime def. Johan Tatlot 6–7(3–7), 7–5, 6–2. Elliot Benchetrit / Geoffrey Blancaneaux def. 
Hsieh Cheng-peng / Luca Margaroli 6–3, 4–6, [10–7].The 2014 Internationaux de Tennis de Vendée was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Mouilleron-le-Captif, France between 3 and 9 November 2014.
The 2015 BNP Paribas de Nouvelle-Calédonie was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Nouméa, New Caledonia on 5-10 January 2015.
The 2016 RC Hotel Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Jönköping, Sweden between 7 and 13 March 2016.
The 2016 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Blois, France between 13 and 19 June 2016.
The 2017 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Aix-en-Provence, France between 8 and 14 May 2017.
The 2017 BFD Energy Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Rome, Italy between 25 September and 1 October 2017.
The 2018 Open BNP Paribas Banque de Bretagne was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Quimper, France between 29 January and 4 February 2018.
The 2018 Internazionali di Tennis d'Abruzzo was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Francavilla al Mare, Italy between 23 and 29 April 2018.
The 2018 Prosperita Open was a professional tennis tournament played on clay courts. It was the 15th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 30 April and 6 May.
The 2018 Open du Pays d'Aix was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Aix-en-Provence, France between 7 and 13 May 2018.
The 2018 BNP Paribas Primrose Bordeaux was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Bordeaux, France between 14 and 20 May 2018.
The 2018 Internationaux de Tennis de Blois was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Blois, France between 18 and 24 June 2018.
The 2018 Marburg Open was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Marburg, Germany between 2 and 8 July 2018.
The 2018 The Hague Open was a professional tennis tournament played on clay courts. It was the 26th edition of the tournament and was part of the 2018 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 16 and 22 July 2018.
The 2018 Cassis Open Provence was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Cassis, France between 4 and 9 September 2018.
The 2018 Internationaux de Tennis de Vendée was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Mouilleron-le-Captif, France between 5 and 11 November 2018.
The 2019 Play In Challenger was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Lille, France, between 18 and 24 March 2019.
Elliot Benchetrit and Geoffrey Blancaneaux were the defending champions but only Benchetrit chose to defend his title, partnering Johan Tatlot. Benchetrit and Tatlot withdrew before the tournament began.
The 2020 Marbella Tennis Open was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Marbella, Spain between 26 October and 1 November 2020.
The 2021 Lisboa Belém Open was a professional tennis tournament played on outdoor clay courts. It was the fifth (men) and first (women) editions of the tournament which were part of the 2021 ATP Challenger Tour and the 2021 ITF Women's World Tennis Tour. It took place in Lisbon, Portugal between 27 September and 3 October 2021.
