Actually 3 -
Arado Ar 80
Heinkel He 112
Focke Wulf Fw 159
Closest was the He 112. The Ar 80 had a fixed undercarriage and the Fw 159 had a strut braced high wing and were quickly eliminated. Although the He 112 was preferred, by the time of the trials in Travemunde in '36, the Bf 109 became the favorite.