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 Ka1 draw
5 Ka3 draw
6 Ka5 draw
7 Ka7 draw
8 Kb1 draw
9 Kb2 draw
10 Kb3 draw
11 Kb7 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Ra7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves