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 Kcb7 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kb5 win in 5 half-moves
8 Ka7 draw
9 Kab7 draw
10 Kb8 draw
11 Kc5 draw
12 Kc7 draw
13 Kd5 draw
14 Re8 draw
15 Rf8 draw
16 Rc7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves