Chelsea have not yet been knocked out of the League Cup, but have taken a step towards it. Having full control of the game, the Blues were unable to deal with the well-organized defense of Middlesbrough and conceded after a counterattack. Mikhailo Mydruk came on as a substitute in the middle of the second half, however did not make any difference to the game.

2023-24, EFL Cup

Middlesbrough - Chelsea 1:0 (1:0)
Goals: Hackney, 37 (1:0)

Middlesbrough: Glover; van den Berg R.; Bangura A. (Clarke Ma., 20); Fry D.; Hackney; Howson; Barlaser; Crooks; Jones I.; Engel L.; Latte Lath (Coburn, 5)
Bench: Jones J-e; Bridge; Bilongo Bryant; O'Brien; McCabe; Gilbert; Kavanagh C.
Yellow Cards: Jones I. 90

Chelsea: Petrovic Dj.; Gusto (Gilchrist, 90); Colwill; Thiago Silva; Disasi; Gallagher C.; Madueke (Mudryk, 63); Caicedo M.; Palmer Co.; Fernandez E. (Broja A., 63); Sterling
Bench: Bergström; Bettinelli; Willis; Golding; Washington D.
Yellow Cards: Colwill 30