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 Kcb6 win in 3 half-moves
3 Kcb7 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Ra8 win in 9 half-moves
10 Ka6 draw
11 Ka8 draw
12 Kab6 draw
13 Kab7 draw
14 Kb8 draw
15 Kc5 draw
16 Kc7 draw
17 Re8 draw
18 Rc7 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