Gael Monfils, making his debut in Lyon, falls short of earning his 15th match win of 2018, losing to Maximilian Marterer.

Sixth seed Gael Monfils will begin his 2018 Open Parc Auvergne-Rhône-Alpes Lyon campaign against Germany's Maximilian Marterer.

Gael Monfils saves six of 10 break points on Tuesday but can't get the better of Mirza Basic in Munich.

Gael Monfils rips into a forehand during his match against Pierre-Hugues Herbert at Indian Wells.

Gael Monfils improves to 6-4 in his FedEx ATP Head2Head with John Isner following their Indian Wells thriller.

Gael Monfils defeats Matthew Ebden to reach the BNP Paribas Open Round of 64 on Friday.

Gael Monfils sets up a 10th FedEx ATP Head2Head encounter with John Isner after beating Matthew Ebden at the BNP Paribas Open on Friday.

Frenchman Gael Monfils takes a picture with a fan at the Brasil Open.

Gael Monfils, who is competing this week at the Rio Open presented by Claro, and retired Brazilian legend Gustavo Kuerten share a laugh.

Gael Monfils gets the news he might have to wait a day in order to complete his match against Marin Cilic after play at the Rio Open presented by Claro was suspended due to rain.

Gael Monfils celebrates taking down top seed Marin Cilic in Rio de Janeiro on Thursday.

Gael Monfils runs down a forehand during his match against Marin Cilic at the Rio Open presented by Claro on Wednesday.

Gael Monfils saves a match point before defeating Horacio Zeballos in the opening round of the Rio Open presented by Claro.

Gael Monfils breaks five times to advance on Thursday at the Argentina Open.

Gael Monfils needed just over an hour to advance to the second round of the Argentina Open on Tuesday.

Dominic Thiem, Pablo Carreno Busta, Diego Schwartzman and Diego Monfils take part in a Media Day at the Argentina Open.

Gael Monfils, Nicolas Jarry and Roberto Quiroz visit a Shaman in Quito to take part in a 'Limpia' spiritual ritual to release bad energies.

Ahead of the Ecuador Open, Gael Monfils, Roberto Quiroz and Nicolas Jarry enjoy their visit to Mitad del Mundo.

Gael Monfils, Roberto Quiroz, Dorian Descloix and Nicolas Jarry learn how cacao is turned into chocolate ahead of the Ecuador Open in Quito.

Roberto Quiroz, Dorian Descloix, Nicolas Jarry and Gael Monfils enjoy their day visiting local attractions ahead of the Ecuador Open in Quito.

Dorian Descloix, Gael Monfils, Nicolas Jarry and Roberto Quiroz play mini-tennis on the equator at Mitad del Mundo.

Gael Monfils attempts to balance an egg on top of a nail on the equator ahead of the Ecuador Open in Quito.

Gael Monfils and Mayor of Quito Mauricio Rodas had a light hit in front of a packed crowd ahead of the Ecuador Open.

Third seed Gael Monfils bids for a second ATP World Tour title of 2018 at the Ecuador Open in Quito.

Gael Monfils has gotten off to a 5-1 start so far in the 2018 season.