The reasons for Jo-Wilfried Tsonga's decision to retire from the international tennis circuit were laid bare on Monday night at the Monte Carlo Masters when he went down in straight sets to Marin Cilic.
The French former world number five - who has dropped to 254 in the ATP rankings following an array of injuries - lost the first four games of his first round match against the Croatian amid a flurry of unforced errors and poor shot selections.
