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 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Ra8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Rb8 win in 7 half-moves
8 Kbc7 win in 9 half-moves
9 Ka6 draw
10 Ka7 draw
11 Ka8 draw
12 Kb8 draw
13 Kbb6 draw
14 Kc5 draw
15 Kcc7 draw
16 Kd7 draw
17 Re8 draw
18 Rf8 draw
19 Rc7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves