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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Kb2 win in 5 half-moves
6 Kc2 win in 5 half-moves
7 Kb1 draw
8 Kb6 draw
9 Kb7 draw
10 Kc5 draw
11 Kd1 draw
12 Kd6 draw
13 Kd7 draw
14 Ra8 draw
15 Rb8 draw
16 Rd8 draw
17 Re8 draw
18 Kd2 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves