The Spurs boss says the rising star needs to prove he has what it takes to be a regular for years to come.
Tottenham Hotspur manager Mauricio Pochettino has challenged Harry Winks to show that he has what it takes to be a first-team regular for the club for years to come, as reported by the London Evening Standard.
Winks was handed his first Premier League start in the 3-2 win over London rivals West Ham United at White Hart last weekend.
He crowned the occasion in some style by scoring his first senior goal, a moment and feeling he admitted he is unlikely to ever replicate during his career.
Winks is considered one of the brightest prospects of a talented crop of youth players at Tottenham, and there are high hopes for his future.
He was again selected for the starting XI for the crucial Champions League group game in Monaco, and although Spurs lost to miss out on a place in the knockout stages, Winks' performance was again assured and mature.
Now that the emotion of his big moment has settled, Pochettino has urged the 20-year-old to push on and prove that he can become a key regular for the North London club for years to come.
Pochettino said, via the Standard: "Harry Winks was involved with training from the day we arrived. After a few months he started to be involved with the first team. It's important to know when the players are ready to compete to avoid the percentage that fail.
"Now the most difficult thing is to keep the level and try to show that he can be consistent in the starting XI.
"He needs to show he can be a player for the next few years here or the next 10 years. The difficult thing is not to arrive and play one game, it is after to show you are consistent."
"We will see if we decide to put him in the starting XI [against Chelsea]. I'm very happy after two big games against West Ham and Monaco. In Monaco his performance was very good and I'm very happy with him. But we will see."
Spurs travel to Premier League leaders Chelsea in Saturday's late kick-off, and Winks will be desperate to be involved from the start in another high-intensity London derby.