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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Ka5 draw
3 Kb4 draw
4 Ra5 draw
5 Ra6 draw
6 Ra7 draw
7 Rb8 draw
8 Rd8 draw
9 Kb5 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Ka3 loss in 1 half-moves