Tsimikas sent Mendy the wrong way to win the FA Cup for Liverpool against Chelsea.
Mason Mount missed a crucial penalty, leaving Tsimikas with the opporutnity to dispatch the winner.
Mendy was sent the wrong way, and the Liverpool fans erupted into a cloud of red smoke.
The Merseyside club secured their second trophy of the season, with two competitions remaining.
Pictures below from Emirates FA Cup, Tivibu Spor, and BBC Sport.
"Liverpool has a new hero!"
??? Live on @BBCOne, @BBCiPlayer & @BBCSounds#FACupFinal #BBCFACup #BBCFootball #CHELIV pic.twitter.com/fx6tFlUgh4
— Match of the Day (@BBCMOTD) May 14, 2022
FA CUP ?AMP?YONU LIVERPOOL!
JÜRGEN KLOPP ?NG?LTERE'DE EKS?K OLAN TEK KUPASINI DA KAZANDI!
Tsimikas'?n penalt?s? ve ya?anan sevinç an??#EmiratesFACup #CHELIV pic.twitter.com/YBU64hl6g8
— Tivibu Spor (@tivibuspor) May 14, 2022
THEY'VE DONE IT ?@LFC are #EmiratesFACup champions in our 150th anniversary season!#EmiratesFACup pic.twitter.com/yR2Pwrr4RJ
— Emirates FA Cup (@EmiratesFACup) May 14, 2022
Mason Mount, Sadio Mane, and Cesar Azpilicueta all missed in the shootout, as Liverpool win their first FA Cup under Jurgen Klopp.