Last Sunday, Aitor Karanka Tweeted that he "loves night games at the Riverside."
And Karanka has good reason to enjoy matches under the lights at Boro's home, thanks to an incredible record in just over three years with the club.
It's a record that the Teessiders have now extended into the Premier League, with Monday's win against Hull City.
In 21 home league fixtures with an evening kick-off, Aitor Karanka's Boro side are unbeaten - having won 18, and drawn three.
In fact, those three draws came within the first four evening games under Karanka - with ties against Wigan, Nottingham Forest and Blackpool sandwiched around a remarkable 3-1 win against Birmingham City in which Boro finished the game with nine men.
The following season, Boro would notch up memorable wins against Norwich City, Cardiff City, Bolton Wanderers and Millwall under the lights at the Riverside, as well as securing passage to the play-off final with a 3-0 Friday night win against Brentford.
Boro's first evening fixture of the subsequent campaign would also see a win against Brentford, this time by a 3-1 scoreline. It was the first of a raft of evening wins in Boro's promotion-winning season, which also included significant victories against fellow promotion-chasers Burnley and Sheffield Wednesday, as well as last-gasp wins against Reading and Monday's opponents Hull City.
The match against The Tigers was the first late kick-off for the club since returning to the Premier League, and the first Monday night top flight football at the stadium for over a decade.
The Riverside's reputation as a fortress under the evening lights is set to face a stern test in the club's next home fixture, with Boro set to welcome Jurgen Klopp's Liverpool to a sell-out Riverside on Wednesday December 14.