|24 Oct 21||Robur Siena  ||-|| Pescara|
|31 Oct 21||Gubbio  ||-|| Robur Siena|
|07 Nov 21||Robur Siena  ||-|| Modena|
|14 Nov 21||Robur Siena  ||-|| Olbia|
|21 Nov 21||Lucchese  ||-|| Robur Siena|
|19 Oct 21||Viterbese|| ||2 - 0|| ||Robur Siena|
|16 Oct 21||Robur Siena|| ||1 - 0|| ||Entella|
|09 Oct 21||Fermana|| ||1 - 1|| ||Robur Siena|
|02 Oct 21||Robur Siena|| ||0 - 0|| ||Pistoiese|
|28 Sep 21||Montevarchi Calcio|| ||0 - 3|| ||Robur Siena|
Società Sportiva Robur Siena, formerly known as Associazione Calcio Siena and often referred to as Robur or simply Siena, is an Italian football club based in Siena, in the region of Tuscany. The club was refounded in 2014 after the bankruptcy of the previous football club, known as AC Calcio Siena and founded in 1904, inheriting the city historical football tradition.
Siena plays its home games at the Stadio Artemio Franchi. The ground's capacity is 15,373 and is located in the centre of Siena.