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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Ka5 draw
5 Ka7 draw
6 Kb7 draw
7 Ra7 draw
8 Rb8 draw
9 Re8 draw
10 Rc8 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