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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Ka7 draw
5 Kb6 draw
6 Kb7 draw
7 Ra7 draw
8 Rb8 draw
9 Rc8 draw
10 Rg8 draw
11 Rh8 draw
12 Kb1 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves