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