FK Suduva Marijampole were founded in 1921 and have played in the Lithuanian top flight since 2002.
They won their first major honour when they picked up the Lithuanian Cup in 2006.
The club won their first league title last season after twice being runners-up and finishing in third spot four times.
FK Suduva are currently top of the A Lyga and are they are the current champions of the Lithuanian league.
Brazilian midfielder Rafael Gaucho is one of the club’s most notable players. He played for the Lithuanians between 2012 and 2013.
FK Suduva, who are based in the city of Marijampolė, play at the 6,250 capacity ARVI Football Arena.
The club relocated to the stadium in 2008 after it was built using funds from the European Union.
In 2017 FK Suduva were the first Lithuanian club after Zalgiris Vilnius and FK Ekranas to get through three qualifying rounds of European competition.
In that year FK Suduva eliminated Shakhtyor Soligorsk , FK Liepāja and FC Sion.
As league winners last season they went into the first qualifying round of this year’s Champions League.
They overcame Greek side APOEL but lost to Serbians Red Star Belgrade in the second round.
FK Suduva dropped into the Europa League qualifiers and eliminated Latvians Spartaks Jūrmala to set up the play-off tie with Celtic.
Celtic fans will recall a memorable beat 8-1 over FK Suduva in the first leg, first round of the UEFA Cup in 2002.
Super Swede Henrik Larsson scored a hattrick in the first half of the demolition match.
Stiliyan Petrov, Chris Sutton, Paul Lambert, John Hartson and Joos Valgaeren also scored.
David Fernandez and Alan Thompson scored a goal each in the second leg to make it 10-1 on aggregate.
WHERE AND WHEN
Celtic face FK Suduva at the ARVI Football Arena tonight. The match kicks-off at 6pm (UK TIME).
The return leg will be played at Celtic Park on Thursday August 30th with a kick-off time of 7.45pm.