I read with amusement on the most recent civil suit case brought upon by Shopee against its ex-senior employee to stop him from working for its Competitor ByteDance using the "Non-compete clause". So far I did not recall seeing any employer succeed in the State Courts of Singapore for such draconian request. Restraint of trade is generally frowned upon by our Judges in Singapore and rarely granted. 

Well, it seems to be rather prevalent and forced especially onto management level staff when they sign the employment contract. Sometimes, even for junior level staff hiring, some HR departments will use a "standard template" which will strangely contain this. Perhaps the principle of these Employers will be to put in as much restriction to protect the company rights even if the clause cannot be uphold in court. Bottom-line is, it gives