Germany opened the scoring in the 25th minute of the match through Anton Boeckel's field strike to go into half time with a one-goal cushion.
But Spain forged their way back after the break and levelled the scores when Manual Bordas Fabregas found the net with a field effort in the 48th minute.
Even though the Germans managed to gather three points from the encounter, the show was far from convincing from the Valentin Altenburg-coached side who are regarded as one of the front-runners for the title.
In the opening match of the tournament earlier in the day, New Zealand scrapped past lowly Japan 1-0 in Pool C.
New Zealand's Sam Lane scored the lone goal of the match in the 41st minute through a field strike.
The two winning sides of Pool C, Germany and New Zealand will face each other in their next pool match tomorrow.