France, June 16 -- French Open champion Carlos Alcaraz and beaten finalist Jannik Sinner will start their respective preparations in London and Halle this week for the third Grand Slam tournament of the season on the grass courts at Wimbledon which starts on 30 June.

Alcaraz saved three match points during the final in Paris before overcoming Sinner after five hours and 29 minutes.

The 22-year-old Spaniard will begin his tilt for a third consecutive Wimbledon title at the Queen's Club championships in west London.

Sinner, 23, will defend his crown in Halle, central Germany.

"I've had a few sleepless nights since the final in Paris," Sinner said after a practice session on the grass courts at Halle.

"It's not easy to get over that. Bu...