By Neha Aggarwal
Use the hashtag #TissotFastestShot and comment on our post on Facebook guessing the speed of the fastest shot that is played at the ongoing Liebherr 2017 World Championships in Düsseldorf, Germany.
One lucky winner will be chosen from the comments section.
Log on to tv.ittf.com, watch the matches and start brainstorming how fast the ball could travel from one corner to the other.
The contest opens up on 31st May, 2017 and will run till 5th June 2017.
So hurry up, and start guessing!