Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Ra6 draw
7 Ra8 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Rf7 draw
12 Rh7 draw
13 Rb7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves