The Premier League giants beat Manchester United in last month's showpiece to lift a first trophy in 15 years and a first European title for over 50 years.
It was not enough for Ange Postecuglo to keep his job after a bottom-half finish in the Premier League, so former Brentford boss Thomas Frank will return to Berkshire with his new-look Spurs side.
Set for July 19, tickets are on sale exclusively for season ticket holders until Wednesday, July 2.
With the news earlier in the day that Reading begin their pre-season schedule at local non-league side Hungerford Town next Saturday, the full fixture list is now complete.
Trips to Hungerford and Gillingham, supplemented with the visit of Tottenham and Portsmouth, enable supporters to see the players ahead of the season opener at Lincoln City on August 2.