Michael Hoey looks certain to miss the cut at the European Open after an opening seven-over-par 79 left him 13 shots behind the leaders.
Hoey, playing mainly on the second-tier Challenge Tour this season after losing his Tour Card last year, failed to card a birdie in Hamburg.
The Belfast man, 38, is 148th in the Race to Dubai standings and 54th in the Challenge Tour rankings.
Irish amateur Paul McBride carded a 70 while Paul Dunne shot a 74.
Hoey's best finish on the main tour this season is a share of eighth place at the Indian Open in March while his top Challenge Tour performance is a tied-fifth at the Czech Challenge in May.
Englishman Richard McEvoy and American Julian Suri lead after firing rounds of 66.
The duo are a stroke ahead of defending champion France's Alexander Levy, plus Welshman Stuart Manley, South Africa's 2011 Masters winner Charl Schwartzel and England's Chris Paisley.
Hoey's round left him ahead of only Zane Scotland and this season's Rocco Forte Open winner Alvaro Quiros in the 156-strong field, with Anthony Wall having retired during his first round.