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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kd7 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Ra8 win in 9 half-moves
8 Kb4 win in 11 half-moves
9 Rb8 win in 15 half-moves
10 Ka2 draw
11 Ka3 draw
12 Ka4 draw
13 Kb2 draw
14 Kc2 draw
15 Kc3 draw
16 Kc4 draw
17 Kc6 draw
18 Rd8 draw
19 Re8 draw
20 Rf8 draw
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves