Berlin, June 20 -- Jannik Sinner's Wimbledon preparations suffered a blow as the world number one lost to 45th-ranked Alexander Bublik in the Halle Open second round.
Defending champion Sinner lost 3-6 6-3 6-4 to Kazakhstan's Bublik - his worst defeat by ranking since August 2023 on Thursday.
It is the first time Sinner has lost to someone other than world number two Carlos Alcaraz since August 2024.
The loss also ended the Italian's 66 match-winning streak against opponents outside of the top 20,
the BBC report said.
French Open champion Coco Gauff also suffered a surprise defeat in her first match of the grass-court season, losing 6-3 6-3 to China's Wang Xinyu at the Berlin Open.
World number 48 Wang ended Gauff's seven-match winning...