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 Kb5 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Rb8 draw
5 K5a6 loss in 2 half-moves
6 K7a6 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Rc8 loss in 2 half-moves
9 Rd8 loss in 2 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 K5b6 loss in 1 half-moves
15 K7b6 loss in 1 half-moves
16 Kb8 loss in 1 half-moves