sentences:  He has been a key figure in Dudelange's Champions League run in 2012–13, scoring 4 goals over 2 legs against S.P.Tre Penne of San Marino, and scoring in each leg of Dudelange's famous 4–4 aggregate draw with Red Bull Salzburg, helping his side through via the away goals rule to face NK Maribor in the third qualifying round, the furthest Dudelange have ever gone in the Champions League.On 29 August 2012, Joachim was loaned to Willem II until the end of the season.