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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Ra7 win in 1 half-moves
3 Rb8 win in 1 half-moves
4 Ka4 draw
5 Ka6 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rh8 draw
11 Ra6 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Kb5 loss in 1 half-moves
14 Kb6 loss in 1 half-moves