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

EGTB: win in 4 half-moves

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