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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc5 draw
9 Kc7 draw
10 Kd6 draw
11 Kd7 draw
12 Rb8 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Kd5 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves