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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 K6b6 draw
3 K6b7 draw
4 K7b6 draw
5 K7b7 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Rg8 draw
11 Rh8 draw
12 Kb5 loss in 1 half-moves
13 Kb8 loss in 1 half-moves
14 Rb8 loss in 1 half-moves