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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka2 win in 5 half-moves
3 K3b3 draw
4 K3b4 draw
5 K4b3 draw
6 K4b4 draw
7 Ka5 draw
8 Kb2 draw
9 Kb5 draw
10 Ra7 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves