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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Ka2 draw
5 Ka5 draw
6 Ka7 draw
7 Kb1 draw
8 Kb2 draw
9 Kb7 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Ra7 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves